Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

hydrocyanic acid

play
noun hy·dro·cy·an·ic acid \ˌhī-drō-sī-ˈa-nik-\

Definition of hydrocyanic acid

  1. :  an aqueous solution of hydrogen cyanide HCN that is a poisonous weak acid and is used chiefly in fumigating and in organic synthesis



Origin and Etymology of hydrocyanic acid

International Scientific Vocabulary


First Known Use: 1816


Medical Dictionary

hydrocyanic acid

play
noun hy·dro·cy·an·ic acid \ˌhī-drō-sī-ˌan-ik-\

Medical Definition of hydrocyanic acid

  1. :  an aqueous solution of hydrogen cyanide HCN that is an extremely poisonous weak acid used especially in fumigating—called also prussic acid




Learn More about hydrocyanic acid


Seen and Heard

What made you want to look up hydrocyanic acid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

prophetic or oracular

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

lazy melancholy frenetic philistine
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ