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There are 2 twelve-letter words beginning with TRIGONO

TRIGONOMETERtrigonometer n. An instrument for solving plane right-angled figures by inspection.
TRIGONOMETER n. instrument for solving triangles.
TRIGONOMETRYtrigonometry n. (Geometry, mathematical analysis) The branch of mathematics that deals with the relationships between…
TRIGONOMETRY n. the study of the properties of triangles and trigonometric functions and of their applications.

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 WikWik.org and 1Word.ws.

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See this list for:

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


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