A ventilated compartment in which chemical procedures may be undertaken without the escape of noxious fumes into the local environment.
Something hung up or spread out to hide or protect the face, or hide an object from view; usually of gauze, crepe, or similar diaphanous material.
A thin layer of tissue which is attached to or covers a mushroom.
A cover; disguise; a mask; a pretense.
A membrane connecting the margin of the pileus of a mushroom with the stalk; a velum.
Anything that partially obscures a clear view.
A covering for a person or thing; as, a caul (especially over the head)
The calyptra of mosses.
That which separates the living and the spirit world.
An obscuration of the clearness of the tones in pronunciation.
velum (A circular membrane round the cap of a medusa).
To dress in, or decorate with, a veil.
To conceal as with a veil.