1 [U,C] (chemistry) a chemical compound, usually a liquid, that contains HYDROGEN and has a PH of less than seven. The HYDROGEN can be replaced by a metal to form a SALT. Acids are usually sour and can often burn holes in or damage things they touch.
compareALKALI
seealsoACETICACID, AMINOACID, CITRICACID, HYDROCHLORICACID, LACTICACID, NITRICACID, NUCLEICACID, SULPHURICACID
2 [U] (slang) = LSD
Part of speech: adjective
1 (technical) that contains acid or has the essential characteristics of an acid; that has a PH of less than seven:
Rye is tolerant of poor, acid soils.
compareALKALINE
2 that has a bitter sharp taste
SYNSOUR:
acid fruit
3 (written) (of a person's remarks) critical and unkind
SYNSARCASTIC:
an acid wit
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About this entry
This is a English–English dictionary entry.
Sourced from Main Dictionary in Lughet's collection.
This word also appears under other sources in Lughet's collection — see the list below.
This entry for acid is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is acid a noun, verb, or something else?
In this entry, acid is tagged as noun.
Does acid appear elsewhere on Lughet?
Yes — acid appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.
