Definition of anucleolate
: lacking a cell nucleolus
These findings were corroborated by the anucleolate mutant, which served as a control, since it lacks ribosomal RNA genes.— Walter J. Gehring, Master Control Genes in Development and Evolution … , 1998
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Merriam-Webster unabridged
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Time Traveler for anucleolate
The first known use of anucleolate was in 1955
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