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List of 12-letter words containing

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There are 14 twelve-letter words containing A, C, 3O and Y

CHROMATOLOGYchromatology n. The scientific study of colour.
CHROMATOLOGY n. the science of colour.
COLONOGRAPHYcolonography n. A virtual, non-invasive form of colonoscopy that uses computed tomography.
COTTONOCRACYcottonocracy n. (US, historical) A government dominated by the cotton industry, as in the United States prior to the Civil War.
COTTONOCRACY n. rule by cotton producers.
CYTOTAXONOMYcytotaxonomy n. (Taxonomy) The classification of organisms based upon their cellular structure and function, and especially…
CYTOTAXONOMY n. the classification of organisms based on cell structure, esp. the number, shape, etc., of the chromosomes.
MONOCHROMASYMONOCHROMASY n. complete colour-blindness.
ONYCHOPHORANonychophoran n. (Zoology) Any of many wormlike carnivorous ecdysozoan animals of the phylum Onychophora.
ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms.
OROLOGICALLYorologically adv. In terms of orology.
OROLOGICAL adv. of or pertaining to orology.
PALEOECOLOGYpaleoecology n. The ecology of the ancient past and of extinct organisms.
PALEOECOLOGY n. a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals.
POLYALCOHOLSpolyalcohols n. Plural of polyalcohol.
POLYALCOHOL n. an alcohol that contains more than one hydroxyl group.
POSTCORONARYpostcoronary adj. After coronary thrombosis.
POSTCORONARY adj. taking place after a coronary.
RADIOECOLOGYradioecology n. The study of the fate and effects of radioactive materials in the environment.
RADIOECOLOGY n. the study of the effects of radiation and radioactive substances on ecological communities.
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.
ZOOLOGICALLYzoologically adv. With regard to zoology.
ZOOLOGICAL adv. relating to zoology, also ZOOLOGIC.
ZOOTOMICALLYzootomically adv. In terms of zootomy.
ZOOTOMICAL adv. relating to zootomy, the dissection of animals, also ZOOTOMIC.

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: 99 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 10 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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