actuate (third-person singular simple present actuates, present participle actuating, simple past and past participle actuated)
1.to incite or move to action; impel; motivate, actuated by selfish motives.
2.to put into action; start a process; turn on, to actuate a machine.
1. to put into action or mechanical motion
2. to motivate or incite into action, actuated by unworthy desires Derived Formsactuation, nounactuator, noun Word OriginC16, from Medieval Latin actuātus, from actuāre to incite to action, from Latin āctusactCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cite This Source
1590s, from Medieval Latin actuatus, past participle of actuare, from Latin actus (see act (n.)). Related, Actuated; actuating.
17), which actuate the movable slides, have heads divided into 100 parts, one revolution = 0.5 mm.; so that ten revolutions are = 5 mm., or = the interval between two adjacent reseau-lines, or = the interval between the sides of the " fixed square."
The currents actuate a ratchet-wheel mechanism at the receiving station, whereby the hand on a small dial is moved on letter by letter.
At regular intervals a rotating arm on the distributor connects the five keys of each keyboard to line, thus passing the signals to the distant station, where they pass through the distributor and certain relays which repeat the currents corresponding to the depressed keys and actuate electromagnets in the receivers.
Owing to the difficulty of maintaining perfect balance on duplexed cables, curb sending is not now used, but the signals are transmitted by means of an apparatus similar to the Wheatstone automatic transmitter used on land lines and differing from the latter only in regard to the alphabet employed; the signals from the transmitter actuate a relay having heavy armatures which in turn transmit the signals to the cable; this arrangement gives very firm signals, a point of great importance for good working.
The relay was employed to actuate through a local battery B2 an ordinary Morse printing telegraphic instrument M.
The same infatuated passion for mining speculation which had characterized the Spanish settlers in South America now began to actuate the Portuguese; labourers and capital were drained off to the mining districts, and Brazil, which had hitherto in great measure supplied Europe with sugar, sank before the competition of the English and French.
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