acid noun
1 chemical compound
ADJ. concentrated, strong | dilute, weak | acetic, amino, carbolic, citric, folic, hydrochloric, lactic, nitric, nucleic, prussic, sulphuric, etc.
VERB + ACID produce | neutralize You will need a special chemical to neutralize the acid.
ACID + VERB burn sth The acid burned a hole in her overalls.
2 illegal drug
VERB + ACID drop smoking joints and dropping acid > Note at DRUG
You can also check other dicts: acid (English, 中文解释 ), wordnet sense, Collins Definition