angle : Idioms & Phrases

Index


A bevel angle

  • any angle other than one of 90°.
Webster 1913

Acute angle

  • noun an angle less than 90 degrees but more than 0 degrees
WordNet
  • one less than a right angle, or less than 90°.
  • (Geom.), an angle less than a right angle.
Webster 1913

acute-angled triangle

  • noun a triangle whose interior angles are all acute
    acute triangle.
WordNet

Adjacent or contiguous angle

  • . (Geom.) See Angle.
Webster 1913

Adjacent or Contiguous angles

  • such as have one leg common to both angles.
Webster 1913

Alternate angles

  • . See Alternate.
  • (Geom.), the internal and angles made by two lines with a third, on opposite sides of it. It the parallels AB, CD, are cut by the line EF, the angles AGH, GHD, as also the angles BGH and GHC, are called alternate angles.
Webster 1913

Angle bar

  • . (a) (Carp.) An upright bar at the angle where two faces of a polygonal or bay window meet. Knight. (b) (Mach.) Same as Angle iron.
Webster 1913

Angle bead

  • (Arch.), a bead worked on or fixed to the angle of any architectural work, esp. for protecting an angle of a wall.
Webster 1913

Angle brace, Angle tie

  • (Carp.), a brace across an interior angle of a wooden frame, forming the hypothenuse and securing the two side pieces together. Knight.
Webster 1913

angle bracket

  • noun either of two punctuation marks (`<' or `>') used in computer programming and sometimes used to enclose textual material
    bracket.
  • noun an L-shaped metal bracket
    angle bracket.
WordNet

Angle iron

  • noun an L-shaped metal bracket
    angle bracket.
WordNet
  • (Mach.), a rolled bar or plate of iron having one or more angles, used for forming the corners, or connecting or sustaining the sides of an iron structure to which it is riveted.
Webster 1913

Angle leaf

  • (Arch.), a detail in the form of a leaf, more or less conventionalized, used to decorate and sometimes to strengthen an angle.
Webster 1913

Angle meter

  • an instrument for measuring angles, esp. for ascertaining the dip of strata.
Webster 1913

angle of attack

  • noun the acute angle between the direction of the undisturbed relative wind and the chord of an airfoil
WordNet

angle of dip

  • noun (physics) the angle that a magnetic needle makes with the plane of the horizon
    magnetic dip; inclination; dip; magnetic inclination.
WordNet

angle of extinction

  • noun the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light
    angle of extinction.
WordNet

angle of incidence

  • noun the angle that a line makes with a line perpendicular to the surface at the point of incidence
    angle of incidence.
WordNet

angle of inclination

  • noun (geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis)
    inclination.
WordNet

angle of reflection

  • noun the angle between a reflected ray and a line perpendicular to the reflecting surface at the point of incidence
WordNet

angle of refraction

  • noun the angle between a refracted ray and a line perpendicular to the surface between the two media at the point of refraction
WordNet

angle of view

  • noun the angle included by a photographic lens
    angle of view.
WordNet

Angle shaft

  • (Arch.), an enriched angle bead, often having a capital or base, or both.
Webster 1913

angle-closure glaucoma

  • noun glaucoma in which the iris blocks the outflow of aqueous humor
    angle-closure glaucoma; acute glaucoma.
    • closed-angle glaucoma can cause a rapid buildup of high intraocular pressure that results in permanent visual damage in a couple of days
WordNet

angle-park

  • verb park at an angle
WordNet

angled loofah

  • noun loofah of Pakistan; widely cultivated throughout tropics
    sing-kwa; Luffa acutangula.
WordNet

Arcual measure of an angle

  • (Math.), that in which the unit angle has its measuring arc equal to the radius of the circle.
Webster 1913

At right angles

  • so as to form a right angle or right angles, as when one line crosses another perpendicularly.
Webster 1913

camera angle

  • noun the point of view of a camera
WordNet

Carpal angle

  • (Zoöl.), the angle at the last joint of the folded wing of a bird.
Webster 1913

closed-angle glaucoma

  • noun glaucoma in which the iris blocks the outflow of aqueous humor
    angle-closure glaucoma; acute glaucoma.
    • closed-angle glaucoma can cause a rapid buildup of high intraocular pressure that results in permanent visual damage in a couple of days
WordNet

Complement of an arcangle

  • (Geom.), the difference between that arc or angle and 90°.
Webster 1913

Complementary angles

  • noun two angles whose sum is a right angle
WordNet
  • (Math.), two angles whose sum is 90°.
Webster 1913

Contiguous angles

  • . See Adjacent angles, under Angle.
Webster 1913

Critical angle

  • noun the smallest angle of incidence for which light is totally reflected
WordNet
  • (Optics), that angle of incidence of a luminous ray at which it is wholly reflected, and no portion of it transmitted. The sine of this angle is the reciprocal of the refractive index of the medium.
Webster 1913

Curvilineal angle

  • one formed by two curved lines.
Webster 1913

cutting angle

  • noun the angle between the face of a cutting tool and the surface of the work
WordNet

Dead angle

  • (Mil.), an angle or space which can not be seen or defended from behind the parapet.
Webster 1913

Dihedral angle

  • the angular space contained between planes which intersect. It is measured by the angle made by any two lines at right angles to the two planes.
Webster 1913

Exterior angle

  • noun the supplement of an interior angle of a polygon
    exterior angle; external angle.
WordNet
  • (Geom.), the angle included between any side of a triangle or polygon and the prolongation of the adjacent side; also, an angle included between a line crossing two parallel lines and either of the latter on the outside.
Webster 1913

external angle

  • noun the supplement of an interior angle of a polygon
    exterior angle; external angle.
WordNet

External angles

  • noun the supplement of an interior angle of a polygon
    exterior angle; external angle.
WordNet
  • angles formed by the sides of any right-lined figure, when the sides are produced or lengthened.
Webster 1913

extinction angle

  • noun the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light
    angle of extinction.
WordNet

face angle

  • noun the angle formed by two edges of a polyhedral angle
WordNet

Facial angle

  • (Anat.), the angle, in a skull, included between a straight line (ab, in the illustrations), from the most prominent part of the forehead to the front efge of the upper jaw bone, and another (cd) from this point to the center of the external auditory opening. See Gnathic index, under Gnathic.
Webster 1913

For Angles of commutation, draught, incidence, reflection, refraction, position, repose, fraction

  • see Commutation, Draught, Incidence, Reflection, Refraction, etc.
Webster 1913

Ground angling

  • angling with a weighted line without a float.
Webster 1913

helix angle

  • noun the constant angle at which a helix cuts the elements of a cylinder or cone
WordNet

high-angle fire

  • noun fire from a cannon that is fired at an elevation greater than that for the maximum range
WordNet

high-angle gun

  • noun a cannon that can be fired at a high elevation for relatively short ranges
WordNet

Hour angle

  • noun the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body
  • noun (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
    HA.
WordNet
  • (Astron.), the angle between the hour circle passing through a given body, and the meridian of a place.
Webster 1913

incidence angle

  • noun the angle that a line makes with a line perpendicular to the surface at the point of incidence
    angle of incidence.
WordNet

Interior angle

  • noun the angle inside two adjacent sides of a polygon
    internal angle; interior angle.
WordNet
  • (Geom.), an angle formed between two sides, within any rectilinear figure, as a polygon, or between two parallel lines by these lines and another intersecting them; called also internal angle.
Webster 1913

Internal angle

  • noun the angle inside two adjacent sides of a polygon
    internal angle; interior angle.
WordNet
  • (Geom.), an interior angle. See under Interior.
Webster 1913

Internal angles

  • noun the angle inside two adjacent sides of a polygon
    internal angle; interior angle.
WordNet
  • those which are within any right-lined figure.
Webster 1913

Lead angle

  • (Steam Engine), the angle which the crank maker with the line of centers, in approaching it, at the instant when the valve opens to admit steam.
Webster 1913

Mixed angle

  • a mixtilineal angle.
Webster 1913

Mixtilineal angle

  • one formed by a right line with a curved line.
Webster 1913

Oblique angle

  • noun an angle that is not a right angle or a multiple of a right angle
WordNet
  • one acute or obtuse, in opposition to a right angle.
Webster 1913

Oblique angle, Oblique ascension

  • etc. See under Angle,Ascension, etc.
Webster 1913

oblique-angled

  • adjective satellite having oblique angles
WordNet
Ob*lique"-an`gled adjective
Definitions
  1. Having oblique angles; as, an oblique-angled triangle.
Webster 1913

Obtuse angle

  • noun an angle between 90 and 180 degrees
WordNet
  • one greater than a right angle, or more than 90°.
Webster 1913

obtuse-angled

Ob*tuse"-an`gled, ob*tuse"-an`gu*lar adjective (Also<
  • Obtuse-angled
  • obtuse-angular
)
Definitions
  1. Having an obtuse angle; as, an obtuse-angled triangle.
Webster 1913

obtuse-angled triangle

  • noun a triangle that contains an obtuse interior angle
    obtuse triangle.
WordNet

open-angle glaucoma

  • noun glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision
    chronic glaucoma.
    • open-angle glaucoma is the most common type of glaucoma
WordNet

Optic angle

  • (Opt.), the angle included between the optic axes of the two eyes when directed to the same point; sometimes called binocular parallax.
Webster 1913

phase angle

  • noun a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle
    phase.
WordNet

Plane angle

  • noun an angle formed by two straight lines (in the same plane)
WordNet
  • the angle included between two straight lines in a plane.
Webster 1913

Polyhedral angle

  • noun the space enclosed by three or more planes that intersect in a vertex
WordNet
  • an angle bounded by three or more plane angles having a common vertex.
Webster 1913

Rectilineal or Right-lined angle

  • one formed by two right lines.
Webster 1913

reentering angle

  • noun an interior angle of a polygon that is greater than 180 degrees
    reentering angle.
WordNet

reentrant angle

  • noun an interior angle of a polygon that is greater than 180 degrees
    reentering angle.
WordNet

reflex angle

  • noun an angle greater than 180 degrees (but less than 360)
WordNet

Refracting angle of a prism

  • (Opt.), the angle of a triangular prism included between the two sides through which the refracted beam passes in the decomposition of light.
Webster 1913

Reëntering angle

  • an angle of a polygon pointing inward, as a, in the cut.
Webster 1913

Right angle

  • noun the 90 degree angle between two perpendicular lines
WordNet
  • . (a) The angle formed by one line meeting another perpendicularly, as the angles ABD, DBC. (b) (Spherics) A spherical angle included between the axes of two great circles whose planes are perpendicular to each other.
  • one formed by a right line falling on another perpendicularly, or an angle of 90° (measured by a quarter circle).
Webster 1913

right-angled

  • adjective satellite forming a right angle or containing one or more right angles
    • a right-angled bend
WordNet
Right"-an`gled adjective
Definitions
  1. Containing a right angle or right angles; as, a right-angled triangle.
Webster 1913

right-angled triangle

  • noun a triangle with one right angle
    right triangle.
WordNet

round angle

  • noun an angle of 360 degrees
    perigon.
WordNet

Salient angle

  • noun an angle pointing outward; an interior angle of a polygon that is less than 180 degrees
WordNet
  • . See Salient, a., 4.
Webster 1913

sharp-angled

  • adjective satellite having sharp corners
    sharp-cornered.
WordNet

Sine of an angle

  • in a circle whose radius is unity, the sine of the arc that measures the angle; in a right-angled triangle, the side opposite the given angle divided by the hypotenuse. See Trigonometrical function, under Function.
Webster 1913

Solid angle

  • noun an angle formed by three or more planes intersecting at a common point (the vertex)
WordNet
  • the figure formed by the meeting of three or more plane angles at one point.
Webster 1913

Spherical angle

  • noun an angle formed at the intersection of the arcs of two great circles
WordNet
  • one made by the meeting of two arcs of great circles, which mutually cut one another on the surface of a globe or sphere.
Webster 1913

Spherical angle, Spherical coördinate, Spherical excess

  • etc. See under Angle, Coordinate, etc.
Webster 1913

Staff angle

  • (Arch.), a square rod of wood standing flush with the wall on each of its sides, at the external angles of plastering, to prevent their being damaged.
Webster 1913

straight angle

  • noun an angle of 180 degrees
WordNet

Tangent of an angle

  • the natural tangent of the arc subtending or measuring the angle.
Webster 1913

Tetrahedral angle

  • (Geom.), a solid angle bounded or inclosed by four plane angles.
Webster 1913

tilt angle

  • noun the angle a rocket makes with the vertical as it curves along its trajectory
WordNet

Vertex of an angle

  • (Math.), the point in which the sides of the angle meet.
Webster 1913

Vertical angle

  • noun either of two equal and opposite angles formed by the intersection of two straight lines
WordNet
  • (Astron. & Geod.), an angle measured on a vertical circle, called an angle of elevation, or altitude, when reckoned from the horizon upward, and of depression when downward below the horizon.
Webster 1913

view angle

  • noun the angle included by a photographic lens
    angle of view.
WordNet

Visual angle

  • the angle formed by two rays of light, or two straight lines drawn from the extreme points of an object to the center of the eye.
Webster 1913

wave angle

  • noun the angle of arrival (or departure) of a radio wave with respect to the axis of an antenna array
WordNet

wide-angle

  • adjective of or relating to a fisheye lens
    fisheye.
WordNet

wide-angle lens

  • noun a camera lens having a wider than normal angle of view (and usually a short focal length); produces an image that is foreshortened in the center and increasingly distorted in the periphery
    fisheye lens.
WordNet