radical : Idioms & Phrases
Index
- acetyl radical
- alcohol radical
- aldehyde radical
- alkyl radical
- allyl radical
- azido radical
- azo radical
- benzoyl radical
- benzyl radical
- cacodyl radical
- Compound radical
- cyanide radical
- cyano radical
- ethanoyl radical
- ethyl radical
- free radical
- hydrazo radical
- hydroxyl radical
- methyl radical
- methylene radical
- modified radical mastectomy
- propyl radical
- Radical axis of two circles
- radical cell
- radical chic
- radical hysterectomy
- radical mastectomy
- Radical pitch
- Radical quantity
- Radical sign
- Radical stress
- Radical vessels
- uranyl radical
- vinyl radical
acetyl radical
-
noun the organic group of acetic acid (CH3CO-)
acetyl; acetyl group; acetyl radical; ethanoyl group.
WordNet
alcohol radical
-
noun the chemical group -OH
alcohol group.
WordNet
aldehyde radical
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noun the chemical group -CHO
aldehyde group.
WordNet
alkyl radical
-
noun any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
alkyl; alkyl group.
WordNet
allyl radical
-
noun the univalent unsaturated organic radical C3H5; derived from propylene
allyl group; allyl.
WordNet
azido radical
-
noun the univalent group N3- derived from hydrazoic acid
azido group.
WordNet
azo radical
-
noun the bivalent group -N=N- united to two hydrocarbon groups
azo group.
WordNet
benzoyl radical
-
noun the univalent radical derived from benzoic acid
benzoyl group.
WordNet
benzyl radical
-
noun the univalent radical derived from toluene
benzyl group; benzyl.
WordNet
cacodyl radical
-
noun the univalent group derived from arsine
cacodyl; arsenic group; cacodyl group.
WordNet
Compound radical
- .
(Chem.) SeeRadical .
Webster 1913
cyanide radical
-
noun the monovalent group -CN in a chemical compound
cyanide radical; cyanide group; cyano group.
WordNet
cyano radical
-
noun the monovalent group -CN in a chemical compound
cyanide radical; cyanide group; cyano group.
WordNet
ethanoyl radical
-
noun the organic group of acetic acid (CH3CO-)
acetyl; acetyl group; acetyl radical; ethanoyl group.
WordNet
ethyl radical
-
noun the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
ethyl group; ethyl.
WordNet
free radical
-
noun an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
radical.
- in the body free radicals are high-energy particles that ricochet wildly and damage cells
WordNet
hydrazo radical
-
noun the bivalent group -HNNH- derived from hydrazine
hydrazo group.
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hydroxyl radical
-
noun the monovalent group -OH in such compounds as bases and some acids and alcohols
hydroxyl; hydroxyl group.
WordNet
methyl radical
-
noun the univalent radical CH3- derived from methane
methyl; methyl group.
WordNet
methylene radical
-
noun the bivalent radical CH2 derived from methane
methylene; methylene group.
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modified radical mastectomy
-
noun removal of a breast and the pectoralis minor and some lymph nodes in the adjacent armpit
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propyl radical
-
noun the monovalent organic group C3H7- obtained from propane
propyl; propyl group.
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Radical axis of two circles
- .
(Geom.) See underAxis .
Webster 1913
radical cell
-
noun a cell of terrorists (usually 3 to 5 members)
terrorist cell.
- to insure operational security the members of adjacent terrorist cells usually don't know each other or the identity of their leadership
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radical chic
-
noun an affectation of radical left-wing views and the fashionable dress and lifestyle that goes with them
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radical hysterectomy
-
noun surgical removal of the uterus and the ovaries and oviducts and cervix and related lymph nodes
panhysterectomy.
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radical mastectomy
-
noun removal of a breast and the underlying muscles (pectoralis major and pectoralis minor) and lymph nodes in the adjacent armpit
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Radical pitch
- the pitch or tone with which the utterance of a syllable begins. Rush.
Webster 1913
Radical quantity
(Alg.) , a quantity to which the radical sign is prefixed; specifically, a quantity which is not a perfect power of the degree indicated by the radical sign; a surd.
Webster 1913
Radical sign
-
noun a sign indicating the extraction of a root
WordNet
(Math.) , the sign &root; (originally the letter r, the initial of radix, root), placed before any quantity, denoting that its root is to be extracted; thus, &root;a, or &root;(a + b). To indicate any other than the square root, a corresponding figure is placed over the sign; thus ∛a, indicates the third or cube root of a.
Webster 1913
Radical stress
(Elocution) , force of utterance falling on the initial part of a syllable or sound.
Webster 1913
Radical vessels
(Anat.) , minute vessels which originate in the substance of the tissues.
Webster 1913
uranyl radical
-
noun the bivalent radical UO2 which forms salts with acids
uranyl group; uranyl.
WordNet
vinyl radical
-
noun a univalent chemical radical derived from ethylene
vinyl; vinyl group.