cyanide

cyanide — noun

1. a chemical substance that is an extremely fast-acting poison, preventing the bod

1.名詞B2
釋義

a chemical substance that is an extremely fast-acting poison, preventing the body's cells from using oxygen and causing death within minutes if a large amount enters the body

例句

Police found traces of cyanide in the victim's coffee cup at the crime scene.

collocation: traces of cyanide

At the factory, workers must follow strict safety rules when handling cyanide.

collocation: handling cyanide

同義詞
  • poison

    much broader term for any harmful substance; cyanide is a specific type of poison

  • toxin

    usually refers to poisons produced naturally by living organisms, not synthetic chemicals like cyanide

  • arsenic

    another specific chemical poison, but slower-acting and chemically unrelated to cyanide

反義詞
  • antidote

    a substance that counteracts the effects of a poison

文法句型

compound noun: cyanide + noun (poisoning, capsule, pill)

uncountable — cannot take 'a' or 'an'

用法筆記

Frequently used as a modifier before nouns (e.g. cyanide poisoning, cyanide capsule). Also commonly paired with a specific chemical name (potassium cyanide, sodium cyanide) to indicate the exact compound.

常見錯誤

❌The killer put a cyanide in her drink.
✅The killer put cyanide in her drink.
💡cyanide is uncountable and cannot be used with 'a' or 'an'.