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List of 12-letter words containing ••••••

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

ASTROBIOLOGY• astrobiology n. (Sciences) The study of life anywhere in the universe, including the Earth.
• ASTROBIOLOGY n. exobiology.
ASTROGEOLOGY• astrogeology n. (Astronomy, geology) The science dealing with the structure and composition of planets and other bodies…
• ASTROGEOLOGY n. the study of extraterrestrial geology.
BIOASTRONOMY• bioastronomy 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.
HISTORIOLOGY• historiology n. (Obsolete) a discourse on history.
• HISTORIOLOGY n. the study of history.
LYOSORPTIONS• LYOSORPTION n. the adsorption of a liquid on a solid surface, esp. of a solvent on suspended particles.
ORNITHOSCOPY• ornithoscopy n. Birdwatching.
• ORNITHOSCOPY n. bird watching.
ORYCTOLOGIES• ORYCTOLOGY n. (obsolete) mineralogy or paleontology.
POSTCORONARY• postcoronary adj. After coronary thrombosis.
• POSTCORONARY adj. taking place after a coronary.
PROTISTOLOGY• protistology n. (Biology) The scientific study of protists.
• PROTISTOLOGY n. the study of protists.
PROTOHISTORY• protohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed…
• PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
SEROTAXONOMY• SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.
THORACOSTOMY• thoracostomy 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.
TROPOMYOSINS• tropomyosins 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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 81 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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