noun: (uncountable) Initialism of guanosine monophosphate (guanylic acid) [(organic chemistry) An ester of phosphoric acid with the nucleoside guanosine]
noun: (uncountable) Initialism of good manufacturing practice.
noun: (countable, UK, pensions) Initialism of Guaranteed Minimum Pension.
noun: (UK) Initialism of Greater Manchester Police.
