Control

Main Entry: 1con·trol

Pronunciation: k&n-'trOl

Function: transitive verb

Inflected Form(s): con·trolled; con·trol·ling

Etymology: Middle English controllen, from Middle French contreroller, from contrerolle

copy of an account, audit, from Medieval Latin contrarotulus, from Latin contra- +

Medieval Latin rotulus roll -- more at ROLL

Date: 15th century

1 a archaic : to check, test, or verify by evidence or experiments b : to incorporate suitable

controls in <a controlled experiment>

2 a : to exercise restraining or directing influence over : REGULATE b : to have power over :

RULE c : to reduce the incidence or severity of especially to innocuous levels <control an

insect population> <control a disease>

synonym see CONDUCT

- con·trol·la·bil·i·ty /-"trO-l&-'bi-l&-tE/ noun

- con·trol·la·ble /-'trO-l&-b&l/ adjective