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There are 16 twelve-letter words containing E, M, 2O, P, R, T and U

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.
COMPUTERDOMSCOMPUTERDOM n. the world of computers.
MACROPTEROUSmacropterous adj. Having long wings or fins.
MACROPTEROUS adj. having large wings or fins.
METAMORPHOUSmetamorphous adj. Metamorphic.
METAMORPHOUS adj. of or relating to metamorphosis (especially of rocks).
MICROPTEROUSmicropterous adj. (Entomology) Having small, sometimes merely vestigial, wings.
MICROPTEROUS adj. having small wings or fins.
MUCOPROTEINSmucoproteins n. Plural of mucoprotein.
MUCOPROTEIN n. any of various complex conjugated proteins that contain polysaccharides and occur in body fluids and tissues.
NONCOMPUTERSSorry, definition not available.
NONPETROLEUMnonpetroleum adj. (Of fuel) Not petroleum-based, not containing petroleum.
NONPETROLEUM adj. not derived from petroleum.
OUTPERFORMEDoutperformed v. Simple past tense and past participle of outperform.
OUTPERFORM v. to exceed in performance.
PLEUROTOMIESpleurotomies n. Plural of pleurotomy.
PLEUROTOMY n. incision into the pleura.
PNEUMOTHORAXpneumothorax n. (Medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.
PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity.
POSTCONSUMERpostconsumer adj. After use by a consumer.
PROCTODAEUMSproctodaeums n. Plural of proctodaeum.
PROCTODAEUM n. the posterior portion of the alimentary canal, also PROCTODEUM.
SOMATOPLEUREsomatopleure n. (Embryology) A fold of tissue, in the embryo of a vertebrate, from which the walls of the body and the amnion develop.
SOMATOPLEURE n. a cellular sheet in some vertebrates that develops into the internal body wall.
TEMPORANEOUStemporaneous adj. (Obsolete) temporary.
TEMPORANEOUS adj. (obsolete) lasting only a short while.
THERMOCOUPLEthermocouple n. (Physics) A transducer consisting of two different metals welded together at each end; a voltage is…
THERMOCOUPLE n. a pair of different metals in contact giving a thermoelectric current.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 83 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 16 words
  • Scrabble in Italian: 27 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 45 words


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