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There are 8 fifteen-letter words beginning with TETRA

TETRABASICITIES• TETRABASICITY n. the state of being tetrabasic.
TETRABRANCHIATE• tetrabranchiate adj. (Zoology) Of or relating to the Tetrabranchiata; having four gills.
• tetrabranchiate n. (Zoology) Any of the Tetrabranchiata.
• TETRABRANCHIATE n. any mollusc belonging to the Tetrabranchia, with four gills.
TETRAETHYLLEADS• tetraethyl␣leads n. Plural of tetraethyl lead.
• TETRAETHYLLEAD n. a colourless oily insoluble liquid formerly used in petrol to prevent knocking.
TETRAGRAMMATONS• TETRAGRAMMATON n. a sacred word or acronym of four letters.
TETRAHYDROFURAN• tetrahydrofuran n. (Organic chemistry) A heterocyclic ether having a five-membered ring with four carbon atoms and one…
• TETRAHYDROFURAN n. a flammable liquid ether derived from furan and used as a solvent and as an intermediate in organic synthesis.
TETRAMETHYLLEAD• tetramethyllead n. (Organic chemistry) A compound with chemical formula C4H12Pb, used as an antiknock additive for gasoline.
• TETRAMETHYLLEAD n. a volatile poisonous liquid used esp. formerly as an antiknock agent.
TETRASPORANGIUM• tetrasporangium n. (Botany) A sporangium that produces tetraspores.
• TETRASPORANGIUM n. the sporangium in which tetraspores are formed.
TETRASYLLABICAL• TETRASYLLABICAL adj. having four syllables, also TETRASYLLABIC.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 76 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 15 words


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