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There are 18 twelve-letter words containing 2H, M, 2O and 2R

CHROMOPHORESchromophores n. Plural of chromophore.
CHROMOPHORE n. the group of atoms in a chemical compound responsible for its colour.
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.
CHROMOSPHEREchromosphere n. (Astronomy) The faint pink extension of a star’s atmospheric envelope between the corona and the photosphere.
CHROMOSPHERE n. the region of the atmosphere of a star between the star's photosphere and its corona.
HAEMORRHOIDShaemorrhoids n. A pathological condition caused by painful masses of dilated veins in swollen anal tissue.
haemorrhoids n. Plural of haemorrhoid.
hæmorrhoids n. Plural of hæmorrhoid.
HARMONICHORDharmonichord n. (Music) A kind of upright piano whose strings are set in vibration not by the blow of the hammer but…
HARMONICHORD n. a keyboard instrument of violin tone, in which the strings are rubbed by rosined wheels.
HARMONOGRAPHharmonograph n. A mechanical device that uses a combination of pendulums to generate an image based on Lissajous curves.
HARMONOGRAPH n. an instrument for drawing curves representing vibrations.
HEMORRHOIDALhemorrhoidal adj. Of or relating to hemorrhoids.
HEMORRHOIDAL adj. of or like a haemorrhoid.
HEMORRHOIDAL n. a hemorrhoidal part (as an artery or vein).
HETEROMORPHYheteromorphy n. (Biology) The state or quality of being heteromorphic; heteromorphism.
HETEROMORPHY n. dissimilarity in shape, structure, or magnitude.
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.
MORPHOGRAPHYmorphography n. Descriptive morphology.
MORPHOGRAPHY n. a morphological description or study.
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.
ORTHORHOMBICorthorhombic adj. (Crystallography) Having three unequal axes at right angles.
ORTHORHOMBIC adj. three mutually perpendicular axes of different lengths.
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.
RHOMBOHEDRALrhombohedral adj. (Crystallography) Having three equal axes and oblique angles.
RHOMBOHEDRAL adj. shaped like a rhombohedron.
RHOMBOHEDRONrhombohedron n. A prism with six faces, each a rhombus.
RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses.
THERIOMORPHSTHERIOMORPH n. an animal form in art.
THERMOCHROMYthermochromy n. The property possessed by heat of being composed, like light, of rays of different degrees of refrangibility…
THERMOCHROMY n. a phenomenon in which certain dyes made from liquid crystals change colour reversibly when their temperature is change, also THERMOCHROMISM.

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: 42 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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