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There are 7 twelve-letter words beginning with NUCL

NUCLEARISINGnuclearising v. Present participle of nuclearise.
NUCLEARISE v. to make nuclear; to fit nuclear weapons, also NUCLEARIZE.
NUCLEARIZINGnuclearizing v. Present participle of nuclearize.
NUCLEARIZE v. to make nuclear; to fit nuclear weapons, also NUCLEARISE.
NUCLEOCAPSIDnucleocapsid n. (Biology) The core structure of a virus, consisting of nucleic acid surrounded by a coat of protein.
NUCLEOCAPSID n. the nucleic acid and surrounding protein coat in a virus.
NUCLEOPHILESnucleophiles n. Plural of nucleophile.
NUCLEOPHILE n. a substance that donates electrons.
NUCLEOPHILICnucleophilic adj. (Chemistry) of, or relating to a nucleophile.
NUCLEOPHILIC adj. having an affinity for atomic nuclei.
NUCLEOPLASMSnucleoplasms n. Plural of nucleoplasm.
NUCLEOPLASM n. the protoplasm in the nucleus of a cell.
NUCLEOTIDASEnucleotidase n. (Biochemistry) Any enzyme that catalyzes the hydrolysis of a nucleotide to a nucleoside and phosphate.
NUCLEOTIDASE n. a phosphatase that promotes hydrolysis of a nucleotide (as into a nucleoside and phosphoric acid).

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: 36 words
  • Scrabble in French: 12 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 6 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 13 words

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