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

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There are 15 twelve-letter words containing A, M, 3O, R, S and T

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.
MONOCHROMATS• monochromats n. Plural of monochromat.
• MONOCHROMAT n. a person who sees all colours as different shades of a single colour, also MONOCHROMATE.
MOTORBOATERS• motorboaters n. Plural of motorboater.
• MOTORBOATER n. one who drives a motorboat.
MOTORCOACHES• motorcoaches n. Plural of motorcoach.
• motor-coaches n. Plural of motor-coach.
• motor␣coaches n. Plural of motor coach.
MOTORISATION• motorisation n. Alternative spelling of motorization.
• MOTORISATION n. the act of motorising, also MOTORIZATION.
OMMATOPHORES• ommatophores n. Plural of ommatophore.
• OMMATOPHORE n. an eyestalk, as in snails.
OSTEOSARCOMA• osteosarcoma n. A type of cancer of the bone.
• OSTEOSARCOMA n. a malignant tumour derived from osteoblasts, composed of bone and sarcoma cells.
OVARIOTOMIES• ovariotomies n. Plural of ovariotomy.
• OVARIOTOMY n. the operation of removing one or both of the ovaries, aka oophorectomy.
OVARIOTOMIST• ovariotomist n. (Surgery, now historical) Someone who performs a ovariotomy.
• OVARIOTOMIST n. one who carries out ovariotomies.
RODOMONTADES• rodomontades n. Plural of rodomontade.
• RODOMONTADE n. (French) a bragging speech; vain boasting or bluster.
SEROTAXONOMY• SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification.
SOMATOTROPIC• somatotropic adj. (Physiology) That stimulates body growth.
• SOMATOTROPIC adj. promoting bodily growth, also SOMATOTROPHIC.
SOMATOTROPIN• somatotropin n. (Biology, medicine) Synonym of growth hormone.
• SOMATOTROPIN n. a polypeptide growth hormone, also SOMATOTROPHIN, SOMATOTROPINE.
SPERMATOZOON• spermatozoon n. (Cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
• spermatozoön n. Alternative spelling of spermatozoon.
• SPERMATOZOON n. a male sexual cell, which fertilises the egg, also SPERMATOZOAN.
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.

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: 63 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: 96 words
  • Scrabble in Italian: 78 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 30 words


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