transcription, транскрипция: [ kɔ:stɪk ]
1.
Caustic chemical substances are very powerful and can dissolve other substances.
...caustic cleaning agents...
Remember that this is caustic; use gloves or a spoon.
= corrosive
ADJ
2.
A caustic remark is extremely critical, cruel, or bitter. ( FORMAL )
His abrasive wit and caustic comments were an interviewer’s nightmare...
= bitter, acid
ADJ