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There are 17 thirteen-letter words containing PYRO

CLINOPYROXENEclinopyroxene n. (Mineralogy) Any pyroxene that has a monoclinic crystal structure.
CLINOPYROXENE n. a member of the pyroxene group of minerals having a monoclinic crystal structure, such as augite, diopside, or jadeite.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PAPYROLOGICALpapyrological adj. Of or relating to papyrology.
PAPYROLOGICAL adj. related to papyrology.
PAPYROLOGISTSpapyrologists n. Plural of papyrologist.
PAPYROLOGIST n. a student of papyrology.
PYROBALLOGIESPYROBALLOGY n. the study of artillery.
PYROCATECHINSpyrocatechins n. Plural of pyrocatechin.
PYROCATECHIN n. another name for catechol, also PYROCATECHOL.
PYROCATECHOLSpyrocatechols n. Plural of pyrocatechol.
PYROCATECHOL n. another name for catechol, also PYROCATECHIN.
PYROELECTRICSpyroelectrics n. Plural of pyroelectric.
PYROELECTRIC n. a pyroelectric substance.
PYROLYTICALLYpyrolytically adv. By means of pyrolysis.
PYROLYTIC adv. relating to pyrolysis, decomposition due to heat.
PYROMORPHITESpyromorphites n. Plural of pyromorphite.
PYROMORPHITE n. a green, brown, or yellow lead ore.
PYROPHOSPHATEpyrophosphate n. (Inorganic chemistry) Any salt or ester of pyrophosphoric acid.
PYROPHOSPHATE n. a salt or ester of pyrophosphoric acid.
PYROPHYLLITESpyrophyllites n. Plural of pyrophyllite.
PYROPHYLLITE n. a silvery-white to pale-green aluminum silicate.
PYROSULPHATESpyrosulphates n. Plural of pyrosulphate.
PYROSULPHATE n. a salt of sulphur.
PYROSULPHURICpyrosulphuric adj. (Britain) Alternative spelling of pyrosulfuric.
PYROSULPHURIC adj. as in pyrosulphuric acid, a type of acid.
PYROTARTRATESpyrotartrates n. Plural of pyrotartrate.
PYROTARTRATE n. a salt of tartaric acid.
PYROTECHNICALpyrotechnical adj. Of or pertaining to pyrotechnics.
pyrotechnical adj. Resembling fireworks.
PYROTECHNICAL adj. relating to pyrotechnics, the art of making fireworks, also PYROTECHNIC.
PYROTECHNISTSpyrotechnists n. Plural of pyrotechnist.
PYROTECHNIST n. a firework maker.

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: 71 words
  • Scrabble in French: 23 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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