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There are 14 fifteen-letter words containing TETRA

ALLOTETRAPLOIDSallotetraploids n. Plural of allotetraploid.
ALLOTETRAPLOID n. an organism having a diploid set of chromosomes from each of its parent.
ALLOTETRAPLOIDYallotetraploidy n. The quality of being allotetraploid.
ALLOTETRAPLOIDY n. an allotetraploid organism.
AUTOTETRAPLOIDSautotetraploids n. Plural of autotetraploid.
AUTOTETRAPLOID n. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement.
AUTOTETRAPLOIDYautotetraploidy n. The property of being autotetraploid.
AUTOTETRAPLOIDY n. the state of being autotetraploid.
ICOSITETRAHEDRAicositetrahedra n. Plural of icositetrahedron.
ICOSITETRAHEDRA n. solid figures with twenty-four plane faces (plural of 16-letter word).
OXYTETRACYCLINEoxytetracycline n. (Pharmacology) A yellow crystalline broad-spectrum tetracycline antibiotic C22H24N2O9 that is produced…
OXYTETRACYCLINE n. a yellow crystalline broad-spectrum antibiotic produced by a soil actinomycete.
TETRABASICITIESTETRABASICITY n. the state of being tetrabasic.
TETRABRANCHIATEtetrabranchiate 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.
TETRAETHYLLEADStetraethyl␣leads n. Plural of tetraethyl lead.
TETRAETHYLLEAD n. a colourless oily insoluble liquid formerly used in petrol to prevent knocking.
TETRAGRAMMATONSTETRAGRAMMATON n. a sacred word or acronym of four letters.
TETRAHYDROFURANtetrahydrofuran 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.
TETRAMETHYLLEADtetramethyllead 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.
TETRASPORANGIUMtetrasporangium n. (Botany) A sporangium that produces tetraspores.
TETRASPORANGIUM n. the sporangium in which tetraspores are formed.
TETRASYLLABICALTETRASYLLABICAL 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: 109 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 16 words


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