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There are 13 twelve-letter words containing M, 3O, R, S and Y

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.
HOMOPOLYMERShomopolymers n. Plural of homopolymer.
HOMOPOLYMER n. a DNA or RNA strand whose nucleotides are all of the same kind.
HONEYMOONERShoneymooners n. Plural of honeymooner.
HONEYMOONER n. one who is on honeymoon.
MALODOROUSLYmalodorously adv. With a bad smell.
MALODOROUS adv. having a bad odor.
MONOCHROMASYMONOCHROMASY n. complete colour-blindness.
OMNIVOROUSLYomnivorously adv. In the manner of an omnivore.
OMNIVOROUS adv. feeding on all kinds of food.
POLYCHROMOUSpolychromous adj. Of or pertaining to polychromy; many-colored; polychromatic.
POLYCHROMOUS adj. many-coloured, also POLYCHROME, POLYCHROMIC.
POLYMORPHOUSpolymorphous adj. Having, or assuming, a variety of forms, characters, or styles.
polymorphous adj. (Biology) Having, or occurring in, several distinct forms.
polymorphous adj. (Chemistry) Crystallizing in two or more different forms; polymorphic.
POLYRIBOSOMEpolyribosome n. (Biochemistry) A cluster of ribosomes, connected by mRNA, that collectively synthesizes protein.
POLYRIBOSOME n. a cluster of ribosomes linked together by a molecule of messenger RNA and forming the site of protein synthesis.
SEROTAXONOMYSEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.
THORACOSTOMYthoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage.
THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air.
TROPOMYOSINStropomyosins n. Plural of tropomyosin.
TROPOMYOSIN n. a filamentous protein which controls the interaction of actin and myosin in muscle fibres.
ZYGOMORPHOUSzygomorphous adj. Zygomorphic.
ZYGOMORPHOUS adj. bilaterally symmetrical, also ZYGOMORPHIC.

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: 64 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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