13-Letter Words Containing: I,R,T,H,D,A,Y

• (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

• To introduce a hydroxyl group into a compound

• of or concerned with thermodynamics

• To treat something, or react something, with hydrogen; especially to react an unsaturated fat with hydrogen, in the presence of a nickel catalyst, to produce a harder saturated fat

• a chemical process that adds hydrogen atoms to an unsaturated oil