(electricity) Differing in phase by a quarter of a cycle; two-phase.

(nautical, obsolete) Hammock nettings along a ship's quarter rails.

The moisture content of freshly quarried porous stone; the water held in the pores of stone.

(obsolete) A gentleman usher on duty in the English court for three months of each year.

a blanket used under the saddle of a horse

a clock which is regulated by a quartz crystal

(Britain) a small triangular side window in a motor car

(physics) a sheet of birefringent material whose thickness is such that the light associated with the larger refractive index is retarded in phase by 90° with respect of that associated with the smaller refractive index; used to convert linearly polarized light into circularly polarized light

Having or displaying half the mental capacity of a half-wit.

(mineralogy) Any form of diorite containing appreciable amounts of quartz.