9-Letter Words Containing: H,D,A,R

• any of a class of organic compounds sharing a common functional group characterized by a nitrogen to nitrogen covalent bond with 4 substituents with at least one of them being an acyl group.

• a colorless fuming corrosive liquid; a powerful reducing agent; used chiefly in rocket fuels

• A series of six tones denoted with the syllables ut-re-mi-fa-sol-la separated by seconds, the only of which that is a minor second being mi-fa.

• colonial coelenterates having the polyp phase dominant

• hazard to humans or the environment resulting from biological agents or conditions

• any bacterium or virus or toxin that could be used in biological warfare

• give an archaic appearance of character to

• tree of northern India and China having purple blossoms and small inedible yellow fruits; naturalized in the southern United States as a shade tree

• speak or write in aphorisms