radicals

Noun

• (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 it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
  • "in the body free radicals are high-energy particles that ricochet wildly and damage cells"
• a person who has radical ideas or opinions
• (mathematics) a quantity expressed as the root of another quantity
• a character conveying the lexical meaning of a logogram
• (linguistics) the form of a word after all affixes are removed
• plural of radical

Synonyms

base, chemical group, free radical, group, radical, root, root word, stem, theme