Definition of ACTUATE

Choose the Right Synonym for actuate

move, actuate, drive, impel mean to set or keep in motion. move is very general and implies no more than the fact of changing position. moved the furniture actuate stresses transmission of power so as to work or set in motion. turbines actuated by waterpower drive implies imparting forward and continuous motion and often stresses the effect rather than the impetus. a ship driven aground by hurricane winds impel is usually figurative and suggests a great motivating impetus. a candidate impelled by ambition

Examples of actuate in a Sentence

The pump is actuated by the windmill. a light actuated by a motion detector

Recent Examples on the Web

The original version incorrectly stated that all three rear fins are actuated. — Mike Wall, Space.com, "SpaceX Will Fly a Japanese Billionaire (and Artists, Too!) Around the Moon in 2023," 17 Sep. 2018 The other two axes are the toe brakes, which are actuated by moving the bottom-pivoting stirrups forward (much like pressing a car’s accelerator or brake pedals). — Lee Hutchinson, Ars Technica, "Thrustmaster TPR: The best flight sim pedals you can buy in a store like a normal person," 23 Sep. 2018 Butterfly doors are unlocked and actuated by a fingerprint sensor and a biometric facial-recognition system hidden on the B-pillar. — Andrew Wendler, Car and Driver, "Genesis Essentia Concept: High-Tech Coupe Dreams," 29 Mar. 2018 The rear side-door handles on the midrange EX trim and above now have a button to actuate the sliding doors, and the 17-, 18-, and 19-inch wheels all get makeovers. — Tony Markovich, Car and Driver, "2019 Kia Sedona: Still Fetching, Still Offers a Lot," 29 Mar. 2018 One company taking a different kind of approach is Toshiba, which has created a partnership with startup S-muscle Co. to develop a robotic hand actuated by artificial muscles made of rubber and fabric. — Daniela Hernandez, WSJ, "Robots Are Learning to Handle With Care," 11 Mar. 2018 Every cylinder in the engine can be deactivated via a mechanism that prevents the cam from actuating that cylinder's valves. — Jonathan M. Gitlin, Ars Technica, "Clever new cylinder control gives big MPG boost—and it’s ready to roll," 15 Feb. 2018 Össur's Symbionic Leg eliminates hip hiking through a simple robotic twitch: The toe actuates upward during each step, performing what's called dorsiflexion. — Erik Sofge, Popular Mechanics, "Smart Bionic Limbs are Reengineering the Human," 28 May 2012 Six computers in the trunk translated inputs from the PS4 controller and actuated the GT-R/C's steering, brakes, throttle, and transmission. — Jonathan M. Gitlin, Ars Technica, "Nissan modified this GT-R to be driven with a PS4 controller," 11 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'actuate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.