n. 1 powdery substance of calcined lime and clay, mixed with water to form mortar or used in concrete. 2 similar substance. 3 uniting factor or principle. 4 substance used in filling teeth, doing hip replacements, etc.v. 1 a unite with or as with cement. b establish or strengthen (a friendship etc.). 2 apply cement to. 3 line or cover with cement. o cementation tsi:men’teiRa)n/ n. [Latin caedo cut] cemetery f semitri/ n. (pl. ies) burial ground, esp. one not in a churchyard. [Greek koimab put to sleep]


