partial veil

n : membrane of the young sporophore of various mushrooms

extending from the margin of the cap to the stem and is

ruptured by growth; represented in mature mushroom by an

annulus around the stem and sometimes a cortina on the

margin of the cap [syn: {velum}]

partial key

A {key} which identifies a subset of a set of

information items (e.g. database "{records}"), and which could

narrow the subset to one item if other partial key(s) were

combined with it.

(1997-04-26)