prevent

v 1: keep from happening of arising; have the effect of

preventing; "My sense of tact forbids an honest answer"

[syn: {forestall}, {foreclose}, {preclude}, {forbid}]

2: prevent from doing something or being in a certain state;

"We must prevent the cancer from spreading" [syn: {keep}]

[ant: {let}]

event

1. An occurrence or happening of significance to a

task or program, such as the completion of an asynchronous

input/output operation. A task may wait for an event or any

of a set of events or it may (request to) receive asynchronous

notification (a {signal} or {interrupt}) that the event has

occurred.

See also {event-driven}.

2. A transaction or other activity that affects the

records in a file.

(2000-02-09)