hydrogencyanide

noun
UK /ˌhaɪdrədʒən ˈsaɪənaɪd/
US /ˌhaɪdrədʒən ˈsaɪənaɪd/

A very dangerous poison that is a gas or liquid and smells like bitter almonds.

Workers must wear special masks when handling hydrogencyanide.


OTHER MEANINGS

2. A chemical compound used in industry to make plastics and other products.

Hydrogen cyanide is used in the production of certain plastics.

3. A substance found in small amounts in some fruit seeds and cigarette smoke.

Tiny amounts of hydrogen cyanide can occur naturally in some fruit pits.

4. A chemical warfare agent that blocks the body from using oxygen.

Hydrogen cyanide was used as a poison gas in wartime.