proportion : Idioms & Phrases

• . See Proportion.

Webster 1913

• noun the number of cases of a disease ending in death divided by the number of cases of the disease; usually expressed as a percentage or as the number of deaths per 1000 cases
  

WordNet

• noun the number of cases of a disease divided by the number of infections with the agent that causes the disease
  case-to-infection ratio.
  

WordNet

• (Math.), an arrangement of four proportionals so that the sum of the arrangement of four proportionals so that the sum of the third and fourth to the fourth.

Webster 1913

• (Math.), a proportion composed of two or more equal ratios, in which the consequent of each preceding ratio is the same with the antecedent of the folowing one; as, 4 : 8 : 8 : 16 :: 16 : 32.

Webster 1913

• See under Continued, Inverse, etc.

Webster 1913

• proportion where the ratio of the means is different from that of either couplet; as, 3:6::8:16, 3 bearing the same proportion to 6 as 8 does to 16. But 3 is not to 6 as 6 to 8. It is thus opposed to continued or continual proportion; as, 3:6::12:24.

Webster 1913

• . (Math.) See Fellowship.

Webster 1913

• (Math.), the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4.

Webster 1913

• . See under Progression, Proportion and Ratio.

Webster 1913

• . See under Proportion.

Webster 1913

• a relation of three or four quantities, such that the first is to the last as the difference between the first two is to the difference between the last two; thus, 2, 3, 6, are in harmonical proportion; for 2 is to 6 as 1 to 3. Thus, 24, 16, 12, 9, are harmonical, for 24:9::8:3.

Webster 1913

• adjective satellite lacking pleasing proportions
  

WordNet

• according as; to the degree that. "In proportion as they are metaphysically true, they are morally and politically false."

Webster 1913

• an equality between a direct ratio and a reciprocal ratio; thus, 4 : 2 : : ⅓ : ⅙, or 4 : 2 : : 3 : 6, inversely.

Webster 1913

• noun (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
  law of constant proportion.
  

WordNet

• noun (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight
  law of constant proportion.
  

WordNet

• (Chem.), the essential law of chemical combination that every definite compound always contains the same elements in the same proportions by weight; and, if two or more elements form more than one compound with each other, the relative proportions of each are fixed. Compare Law of multiple proportions, under Multiple.

Webster 1913

• noun (chemistry) law stating that the proportions in which two elements separately combine with a third element are also the proportions in which they combine together
  law of equivalent proportions.
  

WordNet

• (Chem.), the generalization that when the same elements unite in more than one proportion, forming two or more different compounds, the higher proportions of the elements in such compounds are simple multiplies of the lowest proportion, or the proportions are connected by some simple common factor; thus, iron and oxygen unite in the proportions FeO, Fe2O3, Fe3O4, in which compounds, considering the oxygen, 3 and 4 are simple multiplies of 1. Called also the Law of Dalton, from its discoverer.

Webster 1913

• noun (chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation
  Dalton's law.
  

WordNet

• noun (chemistry) law stating that the proportions in which two elements separately combine with a third element are also the proportions in which they combine together
  law of equivalent proportions.
  

WordNet

• (Math.), a proportion such that, of four terms taken in order, the first has to the second the same ratio which the fourth has to the third, or the first has to the second the same ratio which the reciprocal of the third has to the reciprocal of the fourth. Thus, 2:5: :20:8 form a reciprocal proportion, because 2:5: :¹⁄₂₀:¹⁄₈.

Webster 1913

• (Math.), the four members of which it is composed.

Webster 1913

• adjective satellite of pleasing proportions
  

WordNet