On a theater stage, an inner proscenium which is variable in height, width, or position; may be hung from rigging […]

A doorframe which has an adjustable jamb so that it can be installed in walls of different thicknesses.

The average elevation of the final grade adjoining all exterior walls of a building, calculated from grade elevations taken at

The curing of concrete or mortar in which adiabatic conditions are maintained during the curing period.

Occurring without the gain or loss of heat.

The separation of two surfaces joined by an adhesive, either by a force less than that specified by the manufacturer

A substance capable of holding materials together by bonding the surfaces that are in contact.