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There are 19 twelve-letter words containing I, M, N, 3O, R and S

BIOASTRONOMYbioastronomy n. Synonym of astrobiology.
BIOASTRONOMY n. the branch of biology which deals with the study or the discovery of life forms on other planets or in space.
CHONDRIOSOMEchondriosome n. Synonym of mitochondrion.
CHONDRIOSOME n. an old name for a mitochondrion, a minute body generating ATP in the cytoplasm of a cell.
MICRODONTOUSMICRODONTOUS adj. having very small teeth, also MICRODONT.
MONOCHROMIESmonochromies n. Plural of monochromy.
MONOCHROMY n. the art of painting or drawing in monochrome.
MONOCHROMISTmonochromist n. An artist working in the monochromatic style.
MONOCHROMIST n. a person who practises monochrome.
MONOMORPHISMmonomorphism n. (Mathematics) an injective homomorphism.
monomorphism n. (Biology) the absence of sexual dimorphism.
monomorphism n. (Category theory) A morphism n such that for any other morphisms f and g, if 𝑛∘𝑓=𝑛∘𝑔 then f = g.
MONOPOLISERSmonopolisers n. Plural of monopoliser.
MONOPOLISER n. one who monopolises, also MONOPOLIZER.
MONOPOLIZERSmonopolizers n. Plural of monopolizer.
MONOPOLIZER n. one who monopolizes, also MONOPOLISER.
MONOSTROPHICmonostrophic adj. Of or pertaining to monostrophe.
monostrophic n. A monostrophe.
MONOSTROPHIC adj. having the same strophic or stanzaic structure throughout.
MONOTRICHOUSmonotrichous adj. Having a single flagellum.
MONOTRICHOUS adj. of bacteria, having a single flagellum, also MONOTRICHIC.
MOTORISATIONmotorisation n. Alternative spelling of motorization.
MOTORISATION n. the act of motorising, also MOTORIZATION.
NONMOTORISEDnonmotorised adj. Alternative spelling of nonmotorized.
NONMOTORISED adj. not motorised, also NONMOTORIZED.
NORMOTENSIONnormotension n. Blood pressure that is within the normal range.
NORMOTENSION n. normal blood pressure.
OMNIVOROUSLYomnivorously adv. In the manner of an omnivore.
OMNIVOROUS adv. feeding on all kinds of food.
PROMONTORIESpromontories n. Plural of promontory.
PROMONTORY n. a high point of land or rock projecting into a body of water.
SENSORIMOTORsensorimotor adj. (Biology) Of or pertaining to both sensory and motor activity.
SENSORIMOTOR adj. of, relating to, or functioning in both sensory and motor aspects of bodily activity.
SHOWROOMINGSSHOWROOMING n. the practice of looking at an item of merchandise in a shop, often using a smartphone app to compare its price elsewhere, before buying it from an online distributor.
SOMATOTROPINsomatotropin n. (Biology, medicine) Synonym of growth hormone.
SOMATOTROPIN n. a polypeptide growth hormone, also SOMATOTROPHIN, SOMATOTROPINE.
TROPOMYOSINStropomyosins n. Plural of tropomyosin.
TROPOMYOSIN n. a filamentous protein which controls the interaction of actin and myosin in muscle fibres.

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: 91 words
  • Scrabble in French: 37 words
  • Scrabble in Spanish: 54 words
  • Scrabble in Italian: 91 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 34 words


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