ab ‧ bre ‧ vi ‧ a ‧ tion /əˌbriːviˈeɪʃ ə n/ BrE AmE noun
1 . [countable] a short form of a word or expression
abbreviation of/for
‘Dr’ is the written abbreviation of ‘Doctor’.
REGISTER
In everyday English, people usually say be short for instead of be the abbreviation of/for :
▪
W.H.O. is short for ‘World Health Organization’.
2 . [uncountable] the act of abbreviating something