14-Letter Words Containing: H,A,I,R,L,E,S,S

• having the property of softening or fusing when heated and of hardening and becoming rigid again when cooled

• a material that softens when heated and hardens again when cooled

• one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity

• plasma is separated from whole blood and the rest is returned to the donor

• To establish beforehand.