organelle

n.

1.

(Biol.) a specialized part of a cell performing a specific function, usually visible under the microscope as a distinct object; it is analogous to an organ{2}, but on a microscopic scale.

Noun

1.

organelle - a specialized part of a cell; analogous to an organ; "the first organelle to be identified was the nucleus" Synonyms: cell organ

cell, cell nucleus, cell organ, centriole, chondriosome, cilium, karyon, lysosome, mitochondrion, nucleole, nucleolus, nucleus, organ, ribosome