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There are 8 fourteen-letter words beginning with ACT

ACTINOBACILLUSactinobacillus n. Any bacterium of the genus Actinobacillus.
Actinobacillus prop.n. A taxonomic genus within the family Pasteurellaceae – several Gram-negative bacteria, some of which are pathogens.
ACTINOBACILLUS n. a bacillus of the genus of bacteria Actinobacillus.
ACTINOMETRICALACTINOMETRICAL adj. relating to actinometry, measurement of heating power of the sun's rays, also ACTINOMETRIC.
ACTINOMORPHIESACTINOMORPHY n. the quality of being actinomorphic.
ACTINOMORPHOUSactinomorphous adj. (Botany, of a flower) Having petals arranged in a radially symmetric pattern.
ACTINOMORPHOUS adj. radially symmetric, also ACTINOMORPHIC.
ACTINOMYCETOUSactinomycetous adj. Of or relating to actinomycetes.
ACTINOMYCETOUS adj. of or like an actinomycete, a filamentous microorganism like both bacteria and fungi.
ACTINOURANIUMSACTINOURANIUM n. the isotope of uranium that has a mass number of 235.
ACTUALISATIONSactualisations n. Plural of actualisation.
ACTUALISATION n. the process of actualising, also ACTUALIZATION.
ACTUALIZATIONSactualizations n. Plural of actualization.
ACTUALIZATION n. the process of actualizing, also ACTUALISATION.

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: 49 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: 10 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 26 words


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