radical
| 1. |
(adjective) (botany) especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem; "basal placentation"; "radical leaves" |
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Synonyms: basal |
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Antonyms: cauline |
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| 2. |
(satellite adjective) arising from or going to the root; "a radical flaw in the plan" |
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Synonyms: root |
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| 3. |
(adjective) (linguistics) of or relating to or constituting a linguistic root; "a radical verb form" |
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| 4. |
(noun) a sign placed in front of an expression to denote that a root is to be extracted |
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Synonyms: radical sign |
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Related Words: mathematical notation |
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| 5. |
(noun) a character conveying the lexical meaning of a logogram |
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Related Words: character, grapheme, graphic symbol |
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| 6. |
(noun) a person who has radical ideas or opinions |
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Related Words: Young Turk, anarchist, controversialist, disputant, extremist, leveler, leveller, nihilist, revolutionary, revolutionist, subversive, subverter, syndicalist, terrorist |
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| 7. |
(satellite adjective) (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative" |
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Synonyms: extremist, ultra |
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| 8. |
(satellite adjective) markedly new or introducing radical change; "a revolutionary discovery"; "radical political views" |
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Synonyms: revolutionary |
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| 9. |
(noun) two or more atoms bound together as a single unit and forming part of a molecule |
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Synonyms: group |
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Related Words: Benzoyl radical, acetyl, alkyl, alkyl group, allyl, allyl group, allyl radical, arsenic group, azido group, azido radical, azo group, azo radical, benzoyl group, benzyl, benzyl group, benzyl radical, cacodyl, cacodyl group, cacodyl radical, carbonyl group, carboxyl, carboxyl group, cyanide group, cyanide radical, cyano group, cyano radical, glyceryl, hydroxyl, hydroxyl group, hydroxyl radical, matter, methylene group, methylene radical, propyl, propyl group, propyl radical, substance, uranyl, uranyl group, uranyl radical, vinyl, vinyl group, vinyl radical |
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| 10. |
(noun) an atom or group of atoms with at least one unpaired electron; "in the body free radicals are high-energy particles that ricochet wildly and damage cells" |
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Synonyms: free radical |
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Related Words: atom |
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| 11. |
(noun) (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem" |
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Synonyms: base, root, root word, stem, theme |
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Related Words: form, word form |
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