ad hoc /æd ˈhɒk◂ $ -ˈhɑːk◂,-ˈhoʊk◂/ BrE AmE adjective , adverb formal
[ Date: 1600-1700 ; Language: Latin ; Origin: 'for this' ]
not planned, but arranged or done only when necessary
ad hoc committee/group etc
decisions made on an ad hoc basis
ad hoc /æd ˈhɒk◂ $ -ˈhɑːk◂,-ˈhoʊk◂/ BrE AmE adjective , adverb formal
[ Date: 1600-1700 ; Language: Latin ; Origin: 'for this' ]
not planned, but arranged or done only when necessary
ad hoc committee/group etc
decisions made on an ad hoc basis
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012