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 There are 8 twelve-letter words containing UCLEO| ANTINUCLEONS | • antinucleons n. Plural of antinucleon. • ANTINUCLEON n. the antiparticle of a nucleon. |  | DINUCLEOTIDE | • dinucleotide n. (Biochemistry) Any molecule consisting primarily of two nucleotide units. • DINUCLEOTIDE n. a nucleotide consisting of two units each composed of a phosphate, a pentose, and a nitrogen base. |  | INTERNUCLEON | • internucleon adj. Between nucleons. • INTERNUCLEON adj. between nucleons. |  | NUCLEOCAPSID | • nucleocapsid 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. |  | NUCLEOPHILES | • nucleophiles n. Plural of nucleophile. • NUCLEOPHILE n. a substance that donates electrons. |  | NUCLEOPHILIC | • nucleophilic adj. (Chemistry) of, or relating to a nucleophile. • NUCLEOPHILIC adj. having an affinity for atomic nuclei. |  | NUCLEOPLASMS | • nucleoplasms n. Plural of nucleoplasm. • NUCLEOPLASM n. the protoplasm in the nucleus of a cell. |  | NUCLEOTIDASE | • nucleotidase 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. 
 See this list for:- English Wiktionary: 37 words
 - Scrabble in French: 4 words
 - Scrabble in Spanish: no word
 - Scrabble in Italian: 8 words
 - Scrabble in German: no word
 - Scrabble in Romanian: 6 words
 
 
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