a layer of lead surrounding the highly reactive core of a nuclear reactor v
2
n bedding that keeps a person warm in bed n anything that covers n a layer of lead surrounding the highly reactive core of a nuclear reactor v cover as if with a blanket v form a blanket-like cover (over)
3
a layer of cells on the inside of the blastula
4
n a layer of cells on the inside of the blastula
5
n a layer of grey matter in the brain adjacent to the lenticular nucleus
