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There are 10 twelve-letter words containing C, 2H, M, O, P, R and T

CHEMOAUTROPHCHEMOAUTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTOTROPH.
CHEMOTHERAPYchemotherapy n. (Medicine) Any chemical treatment intended to be therapeutic with respect to a disease state.
chemotherapy n. (Oncology, most common usage) chemical treatment to kill or halt the replication and/or spread of cancerous…
CHEMOTHERAPY n. therapy involving the use of chemicals.
CHLOROPHYTUMCHLOROPHYTUM n. any plant of the genus Chlorophytum, grown as pot plants for their long narrow leaves.
ORTHOMORPHICorthomorphic adj. (Cartography) conformal.
ORTHOMORPHIC adj. of a map projection, maintaining true shape over a small area and scale in every direction.
PHOTOCHROMICphotochromic adj. Of, related to, or produced by photochromism.
photochromic adj. (Chemistry) Relating to the part of a molecule responsible for its photochromism.
PHOTOCHROMIC adj. changing colour, and hence changing the amount of light transmitted when the incident light increases, or decreases.
PHOTOTHERMICphotothermic adj. Relating to both light and heat.
PHOTOTHERMIC adj. of or concerned with light and heat, esp. the production of heat by light, also PHOTOTHERMAL.
PHYTOCHROMESphytochromes n. Plural of phytochrome.
PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth.
POLYRHYTHMICpolyrhythmic adj. (Music) Having multiple, simultaneous rhythms.
POLYRHYTHMIC adj. relating to polyrhythm.
RHAMPHOTHECArhamphotheca n. A thin horny sheath of keratin on the outer surface of a bird’s beak.
RHAMPHOTHECA n. the horny or leathery outer layer of a bird's bill.
THERMOPHILICthermophilic adj. (Biology) of, or relating to a thermophile; living and thriving at relatively high temperatures.
THERMOPHILIC adj. of plants etc. requiring or thriving in high temperatures, also THERMOPHIL, THERMOPHILE, THERMOPHILOUS.

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: 31 words
  • Scrabble in French: 3 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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