transitive. To heat before use or further treatment; to heat beforehand.

transitive. To cool prior to some further treatment or process; to cool prior to use.

transitive. To mix beforehand.

transitive. To cast (metal, concrete, etc., or an object of this) in its final shape before placing it in position. Also occasionally intransitive.

transitive and intransitive. Coal Mining. To make a preliminary incision in (a coalface) in order to facilitate cutting and loading.

transitive. To impregnate (a material) with a substance prior to further processing; spec. to impregnate reinforcing materials with synthetic resin…

transitive. To score (in various senses) beforehand; spec. to assign a score to, or estimate the score of, beforehand.

transitive. To pre-impregnate with synthetic resin; to make into a prepreg.

transitive. To cure (a synthetic resin) prior to another process, esp. curing at a higher temperature.