- a colorless, oily liquid, C2Cl3HO, having a pungent odor, usually derived by the chlorination of ethyl alcohol or of acetaldehyde and combining with water to form chloral hydrate.
- a white, crystalline solid, C2H3Cl3O2, formed by combining liquid chloral with water: used as a hypnotic.
- a colourless oily liquid with a pungent odour, made from chlorine and acetaldehyde and used in preparing chloral hydrate and DDT; trichloroacetaldehyde
- short for chloral hydrate
