noun, plural nu·cle·o·li [noo-klee-uh-lahy, nyoo-] /nuˈkli əˌlaɪ, nyu-/. Cell Biology.
- nucleon number,
Origin of nucleolus
Examples from the Web for nucleoli
Highly refracting points or nucleoli were visible in their anterior.Parasites|T. Spencer Cobbold
Partial rest stage between first and second maturation divisions, two nucleoli present.Studies in Spermatogenesis (Part 1 of 2)|Nettie Maria Stevens
The nucleoli thus formed are, no doubt, destined to become free.
These nuclei have begun to be slightly coloured, and one of them is seen to possess two nucleoli.
The nucleii differ also in the number of nucleoli they contain as well as in other less important particulars.The Story of the Living Machine|H. W. Conn
noun plural -li (-laɪ)
Word Origin for nucleolus
1845, from Latin nucleolus, literally "a little nut," diminutive of nucleus (see nucleus).