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Trinucleus

noun
Tri·nucleus | \"+\

Definition of Trinucleus 

: a widely distributed genus (the type of the family Trinucleidae) of Ordovician trilobites in which the glabella and cheeks form three rounded elevations on the head

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History and Etymology for Trinucleus

New Latin, from tri- + nucleus

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Dictionary Entries near Trinucleus

trins

trinuclear

trinucleotide

Trinucleus

trio

triobol

trioctahedral

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