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Word

radical, n.
(radicals)
freq. cnt. 8
more info (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
<noun.substance>   freq. cnt.: 5 freq. cnt.: 4 freq. cnt.: 1

chemical group group radical
semantic pointers
domain of synset (topic)
chemistry, chemical science
hypernym
unit, building block
hyponym
acyl, acyl group alcohol group, alcohol radical aldehyde group, aldehyde radical alkyl, alkyl group, alkyl radical allyl, allyl group, allyl radical amino, amino group amyl azido group, azido radical azo group, azo radical benzyl, benzyl group, benzyl radical benzoyl group, benzoyl radical cacodyl, cacodyl group, cacodyl radical, arsenic group carbonyl group carboxyl, carboxyl group chromophore cyano group, cyano radical, cyanide group, cyanide radical glyceryl hydrazo group, hydrazo radical hydroxyl, hydroxyl group, hydroxyl radical ketone group methylene group, methylene radical, methylene propyl, propyl group, propyl radical butyl nitro group nitrite uranyl, uranyl group, uranyl radical vinyl, vinyl group, vinyl radical
part holonym
molecule
more info 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
<noun.substance>   freq. cnt.: 5 freq. cnt.: 3 freq. cnt.: 2

free radical radical

sample sentences

"in the body free radicals are high-energy particles that ricochet wildly and damage cells"
semantic pointers
hypernym
atom
more info a person who has radical ideas or opinions
<noun.person>   freq. cnt.: 1 freq. cnt.: 1

radical
semantic pointers
hypernym
person, individual, someone, soul, mortal, somebody
hyponym
anarchist, nihilist, syndicalist red, Bolshevik, Marxist, bolshie, bolshy extremist leveler, leveller revolutionist, revolutionary, subversive, subverter terrorist Trotskyite, Trotskyist, Trot Wobbly young Turk
more info (linguistics) the form of a word after all affixes are removed
<noun.communication>   freq. cnt.: 25 freq. cnt.: 23 freq. cnt.: 2

base radical root root word stem theme

sample sentences

"thematic vowels are part of the stem"
lexical pointers
derivationally related form
stem stem
semantic pointers
domain of synset (topic)
linguistics
hypernym
form, word form, signifier, descriptor
more info a character conveying the lexical meaning of a logogram
<noun.communication>

radical
semantic pointers
hypernym
character, grapheme, graphic symbol, graph
part holonym
ideogram, ideograph
more info (mathematics) a quantity expressed as the root of another quantity
<noun.quantity>

radical
semantic pointers
hypernym
amount, quantity, measure
domain of synset (topic)
mathematics, math, maths