Pronunciation: (per"u-nOO'klē-ur, -nyOO'- or, by metathesis, -kyu-lur), [key]
—adj. Cell Biol.
1. situated near or occurring around the nucleus.
2. pertaining to the narrow space between the inner and outer layers of the nuclear membrane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.