Scrabble Dictionary

Yes

Meaning of radical

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1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  radical
      adj 1: (used of opinions and actions) far beyond the norm;
             "extremist political views"; "radical opinions on
             education"; "an ultra conservative" [syn: {extremist},
             {radical}, {ultra}]
      2: markedly new or introducing radical change; "a revolutionary
         discovery"; "radical political views" [syn: {revolutionary},
         {radical}]
      3: arising from or going to the root or source; "a radical flaw
         in the plan"
      4: of or relating to or constituting a linguistic root; "a
         radical verb form"
      5: 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" [syn:
         {radical}, {basal}] [ant: {cauline}]
      n 1: (chemistry) two or more atoms bound together as a single
           unit and forming part of a molecule [syn: {group},
           {radical}, {chemical group}]
      2: 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" [syn: {free radical}, {radical}]
      3: a person who has radical ideas or opinions
      4: (mathematics) a quantity expressed as the root of another
         quantity
      5: a character conveying the lexical meaning of a logogram
      6: (linguistics) the form of a word after all affixes are
         removed; "thematic vowels are part of the stem" [syn: {root},
         {root word}, {base}, {stem}, {theme}, {radical}]

WordNet ® Princeton University. http://wordnet.princeton.edu