The whitish inner portion of the rind of citrus fruits that is a source of pectin, commonly referred to as the pith.
The fraction of incident light or radiation reflected by a surface or body, commonly expressed as a percentage.
One of the four major stages of the magnum opus, involving purification of the prima materia.
A sticky substance smeared on branches to catch birds.
Time; a jail term, the serving of a prison sentence.
To add birdlime to.