Wordnet 3.0
NOUN (1)
1.
the expense of maintaining property (e.g., paying property taxes and utilities and insurance);
it does not include depreciation or the cost of financing or income taxes;
[syn: operating expense, operating cost, overhead, budget items]
WordNet (r) 3.0 (2006):
operating cost
n 1: the expense of maintaining property (e.g., paying property
taxes and utilities and insurance); it does not include
depreciation or the cost of financing or income taxes [syn:
operating expense, operating cost, overhead, budget
items]