Dictionary

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radical

English

🔊 especially of leaves
“basal placentation”
🔊 arising from or going to the root or source
“a radical flaw in the plan”
🔊 of or relating to or constituting a linguistic root
“a radical verb form”
🔊 (used of opinions and actions) far beyond the norm
“extremist political views”
🔊 markedly new or introducing radical change
“a revolutionary discovery”
🔊 a character conveying the lexical meaning of a logogram
🔊 a person who has radical ideas or opinions
🔊 (mathematics) a quantity expressed as the root of another quantity
🔊 (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
🔊 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”
🔊 (linguistics) the form of a word after all affixes are removed
“thematic vowels are part of the stem”