ˈɔpəreɪt v. 1 tr.
manage,
work,
control; put or
keep in a
functional state. 2 intr. be in
action;
function. 3 intr.
produce an
effect;
exercise influence (the
tax operates to
our disadvantage). 4 intr. (often foll. by on) a
perform a
surgical operation. b
conduct a
military or
naval action. c be
active in
business etc.,
esp. dealing in stocks
and shares. 5 intr. (foll. by on) influence or affect (feelings etc.). 6 tr.
bring about;
accomplish. øoperating
system the basic software that enables the
running of a
computer program. operating
theatre (or room) a
room for surgical operations. [L operari to work f.
opus operis work]