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There are 17 twelve-letter words containing H, I, M, 2O, P and 2R

CHROMOPHORICchromophoric adj. (Chemistry) Of or relating to a chromophore.
chromophoric adj. (Biology) Coloured.
CHROMOPHORIC adj. of or like a chromophore, the group of atoms in a chemical compound responsible for its colour, also CHROMOPHOROUS.
HYDROMORPHIChydromorphic adj. Synonym of hydric (“requiring moisture”).
hydromorphic adj. (Soil science) Formed in the presence of an excess of water.
HYDROMORPHIC adj. developed in the presence of an excess of moisture which tends to suppress aerobic factors in soil-building.
HYDROTROPISMhydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water.
HYDROTROPISM n. growth in the direction of water.
MORPHOMETRICmorphometric adj. Of or pertaining to morphometrics.
MORPHOMETRIC adj. relating to morphometry, measurement of form or shape.
MORPHOTROPICmorphotropic adj. (Crystallography) Of or pertaining to morphotropism.
morphotropic adj. Describing a phase transition due to a change in composition.
morphotropic adj. Describing the phase boundary between tetragonal and rhombohedral regions of a ferroelectric.
ORNITHOMORPHornithomorph n. A figure in ancient art resembling a bird.
ORNITHOMORPH n. a figure or design in the form of a bird.
ORTHOMORPHICorthomorphic adj. (Cartography) conformal.
ORTHOMORPHIC adj. of a map projection, maintaining true shape over a small area and scale in every direction.
ORTHOTROPISMorthotropism n. The property of being orthotropic or orthotropous.
ORTHOTROPISM n. vertical growth.
PERIMORPHOUSperimorphous adj. Perimorphic.
PERIMORPHOUS adj. like a perimorph, also PERIMORPHIC.
PROCHRONISMSprochronisms n. Plural of prochronism.
PROCHRONISM n. assigning a date to an event earlier than actual.
PROTHROMBINSprothrombins n. Plural of prothrombin.
PROTHROMBIN n. a protein-like substance present in blood plasma.
PROTOMORPHICprotomorphic adj. (Biology) Having the most primitive character; in the earliest form.
PROTOMORPHIC adj. primordial; primitive.
PYROMORPHITEpyromorphite n. (Mineralogy) A yellowish-green mineral, a mixed phosphate and chloride of lead with the chemical formula…
PYROMORPHITE n. a green, brown, or yellow lead ore.
RHEOMORPHISMrheomorphism n. (Geology) The liquefaction of rock, and subsequent flowing and intrusion into surrounding rocks.
RHEOMORPHISM n. the liquefaction of rock, which results in its flowing and intruding into surrounding rocks.
RHEOTROPISMSrheotropisms n. Plural of rheotropism.
RHEOTROPISM n. the direction of growth by water.
THERIOMORPHSTHERIOMORPH n. an animal form in art.
THERMOTROPICthermotropic adj. (Biology, of a plant) Tending to move towards or away from a source of heat.
thermotropic adj. (Physics, of a liquid crystal) Exhibiting different phases at different temperatures.
THERMOTROPIC adj. bending towards or away from a heat source.

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: 57 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 2 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 10 words


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