activation

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ac·ti·vate

(ăk′tə-vāt′)

tr.v. ac·ti·vat·ed, ac·ti·vat·ing, ac·ti·vates

1. To set in motion; make active or more active.

2. To organize or create (a military unit, for example): activate the National Guard.

3. To treat (sewage) with aeration and bacteria to aid decomposition.

4. Chemistry To accelerate a reaction in, as by heat.

5. Physics To make (a substance) radioactive.

6. Biology To convert (a molecule or cell) into a form that carries out a specific action: activate an enzyme; activate B cells.

ac′ti·va′tion n.

ac′ti·va′tor n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

activation

Order to active duty (other than for training) in the Federal service. See also active duty; federal service.

Dictionary of Military and Associated Terms. US Department of Defense 2005.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun	1.	activation - stimulation of activity in an organism or chemical indweller - activation by an inner spirit or force or principle; "the Holy Spirit is the indweller of the church and its members" stimulation - (physiology) the effect of a stimulus (on nerves or organs etc.) inactivation - the process of rendering inactive; "the gene inactivation system"; "thermal inactivation of serum samples"
	2.	activation - the activity of causing to have energy and be active activating, energizing activity - any specific behavior; "they avoided all recreational activity" electrification - the activity of thrilling or markedly exciting some person or group invigoration, vivification, animation - the activity of giving vitality and vigour to something
	3.	activation - making active and effective (as a bomb) commencement, start, beginning - the act of starting something; "he was responsible for the beginning of negotiations" defusing, deactivation - the act of deactivating or making ineffective (as a bomb)

activation

noun start, triggering, turning on, switching on, animation, arousal, initiation, mobilization, setting in motion, actuation A computer controls the activation of an airbag.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

Translations

Aktivieren Aktivierung

activación

aktivaatioaktivointi

activation radioactivation

aktivacija

attivazione

активация

activation

[ˌæktɪˈveɪʃən] n

[mechanism, alarm, device, camera] → activation f

(CHEMISTRY) → activation factivation order n (MILITARY) → ordre m d'activation

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

activation

n → Aktivierung f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

activation

[æktɪˈveɪʃ/ən] n → attivazione f

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

References in periodicals archive ?

In response to commands to move their hands, patients' brain activation was detected by applying machine learning to EEG recordings.

EEG May Detect Brain Activation in Some Unresponsive Patients; Clinically unresponsive brain-injured patients with EEG response to spoken commands might improve

It's unusual for experiential activations to pop up multiple times, let alone six times in three years.

The Daily Show Presents: The Donald J. Trump Presidential Twitter Library: BRAND: COMEDY CENTRAL: Agency: In-house

Results: Under both the real-face and face-pareidolia conditions, activation was observed in the Prefrontal Cortex (PFCX), occipital cortex V1, occipital cortex V2, and inferior temporal regions.

Neural mechanisms underlying visual pareidolia processing: An fMRI study

With this new activation, the Philippine Army has now 11 infantry divisions.

Duterte activates 11th Infantry Division in Sulu

The runtime files work with an integrated family of tools that includes QuickLicense, QuickLicense Server, LicenseSupport, MakeDongle, the Safe Activation service and the self-hosted Desktop License Server.

Excel Software Ships FileMaker, Xojo and Xcode Plugins for Software Protection and Licensing

PROBITEC is a fine example of that, because it offers a platformic solution to a decades-old problem of transparency in the activation business," said Vikas Mehta - CEO, PointNine Lintas.

PointNine Lintas announces foray into Mar-Tech, launches PROBITEC

"Patient activation is defined as understanding one's role in the health care process and having the knowledge, skills, and confidence to manage one's health," Edward L.

High patient activation linked to clinical remission in IBD

By further automating the camera activation, it is intended to result in greater efficiency and safety for law enforcement and the community.

Safariland(R) VIEVU(R) collaborates with Digital Ally

In her retrospective study of 142 Taiwanese children and adolescents hospitalized for community-acquired pneumonia (CAP), Thomsen-Friedenreich antigen (TA) activation had 100% specificity, 100% positive predictive value, and 31% sensitivity for Streptococcus pneumoniae as the causative microorganism.

Rapid lab test predicts pneumococcal pneumonia severity

Keywords: oil shale pyrolysis, activation energy, kinetic parameters, differential thermogravimetric analysis.