Borrowing from Latin acidus.
ácido m (plural ácidos)
- (chemistry) acid (any of various substances which react with bases to form salts)
- (informal) acid (any corrosive liquid)
- (slang) Short for ácido lisérgico; acid
ácido m (feminine singular ácida, masculine plural ácidos, feminine plural ácidas, not comparable)
- acid (very sour)
- (chemistry) acidic (relating to or being an acid)