(organic chemistry) Any salt or ester of phosphonopyruvic acid

simple past tense and past participle of implement

(slang, vulgar) In a dickheaded manner.

(countable and uncountable) A colour like that of chocolate or coffee. / (snooker, countable) One of the colour balls used in snooker, with a value of 4 points. / (uncountable) Black tar heroin.