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单词 activated
释义

activate

verb

ac·​ti·​vate ˈak-tə-ˌvāt How to pronounce activate (audio)
activated; activating

transitive verb

: to make active or more active: such as
a(1)
: to make (something, such as a molecule) reactive or more reactive
(2)
: to convert (something, such as a provitamin) into a biologically active derivative
b
: to make (a substance) radioactive
c
: to treat (a substance, such as carbon or alumina) so as to improve adsorptive properties
d(1)
: to set up or formally institute (an organized group, such as a military unit) with the necessary personnel and equipment
(2)
: to put (an individual or unit) on active duty

intransitive verb

: to become active
activation
ˌak-tə-ˈvā-shən How to pronounce activate (audio)
noun
activator
ˈak-tə-ˌvā-tər How to pronounce activate (audio)
noun

Synonyms

  • actuate
  • crank (up)
  • drive
  • move
  • run
  • set off
  • spark
  • start
  • touch off
  • trigger
  • turn on
See all Synonyms & Antonyms

Example Sentences

Touch the screen to activate the system. activate and then deactivate a mechanism The camera is activated by pushing a button. The bomb was activated by remote control. Sunlight activates a chemical reaction in the plant's leaves. vitamins that activate the growth of new cells The President has activated the reserves. See More
Recent Examples on the Web First, stress can activate molecules that signal the body to produce inflammation. Aria Bendix, NBC News, 7 Sep. 2022 These words activate Google Assistant, Google's virtual personal assistant. Ron Amadeo, Ars Technica, 23 Aug. 2022 Property managers should activate the space frequently through booking company happy hours and hosting events with third-party organizations. John Ward, Forbes, 10 Aug. 2022 Samantha and Calvin Briggs had two goals: activate every part of the BCRI that didn’t have art on the wall and encourage youth to see themselves as mini scientists. Shauna Stuart | Sstuart@al.com, al, 28 July 2022 Subscribers can activate the deal at amazon.com/grubhub. Megan Cerullo, CBS News, 6 July 2022 However, if someone is in imminent danger, crisis lines can sometimes activate emergency services that send a mobile crisis unit or ambulance, but experts said this is rare. Byadjoa Smalls-mantey, ABC News, 13 May 2022 Clicking on any of the links on this page will activate the offer(s) of your choice. Xl Media, cleveland, 26 Aug. 2022 Customers can activate their palms by registering a handprint via an Amazon One kiosk or at checkout in participating stores. Ali Francis, Bon Appétit, 11 Aug. 2022 See More

Word History

Etymology

active entry 1 + -ate entry 4, probably as adaptation of French activer, going back to Middle French, derivative of actif active entry 1

First Known Use

1624, in the meaning defined at transitive sense

Kids Definition

activate

verb

ac·​ti·​vate ˈak-tə-ˌvāt How to pronounce activate (audio)
activated; activating
: to start working or cause to start working
Activate the alarm.

Medical Definition

activate

transitive verb

ac·​ti·​vate ˈak-tə-ˌvāt How to pronounce activate (audio)
activated; activating
: to make active or more active: as
a
: to convert into a biologically active derivative or form
activated plasminogen
b
: to make biologically or molecularly active
activate protein synthesis
The [spinal] cord also contains neuronal circuits … that can be activated by incoming sensory signals without input from the brain … John W. McDonald et al., Scientific American
c
: to make (a substance) radioactive

activated

verb

past tense of activate
as in triggered
to cause to function the thermostat is set to activate the heating system only when the temperature drops below 65 degrees

Synonyms & Similar Words

Relevance
  • triggered
  • sparked
  • powered
  • generated
  • drove
  • moved
  • started
  • actuated
  • fueled
  • ignited
  • charged
  • set off
  • touched off
  • provoked
  • pushed
  • turned on
  • run
  • fuelled
  • reactivated
  • fired
  • ran
  • switched
  • stimulated
  • launched
  • electrified
  • released
  • energized
  • cranked (up)
  • discharged
  • recharged
  • turned over
  • tripped
  • accelerated
  • kicked over
  • vitalized
  • aroused
  • excited
  • catalyzed
  • incited
  • stirred up
  • instigated
  • quickened
  • jump-started
  • stepped up
  • kick-started
  • sped (up)
  • speeded (up)

Antonyms & Near Antonyms

  • deactivated
  • killed
  • cut
  • stopped
  • checked
  • arrested
  • stuck
  • halted
  • jammed
  • stalled
  • suppressed
  • shut off
  • braked
  • slowed
  • cut out
  • repressed
  • turned off
  • decelerated
  • stunted
  • cut off
  • drew up
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更新时间:2024/12/23 20:44:18