verb (used with object), ac·ti·vat·ed, ac·ti·vat·ing.
- to render more reactive; excite: to activate a molecule.
- to induce radioactivity.
- to make (carbon, a catalyst, molecules, etc.) more active.
- to hasten (reactions) by various means, as heating.
SYNONYMS FOR activate
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Example sentences from the Web for activate
According to Heather Nenov, an ophthalmologist from Stein Optometric Center, light entering the eye at a consistent brightness activates photoreceptors at the back of the eye.
Depending on trim level, there are massaging seats, power-adjustable pedals, motion-activated liftgate and captain’s chairs instead of a bench seat in the second row.
In real time, they looked at how neurons in the hippocampus activated in response to fear, and found that they tend to transmit the information to the amygdala—the emotion center—more than average.Towards ‘Eternal Sunshine’? New Links Found Between Memory and Emotion|Shelly Fan|July 28, 2020|Singularity Hub
By better understanding the blood messengers involved, we could artificially activate this pathway and potentially protect the mental essence of what makes you you—even as your brain falters with age or disease.Couch Potato No More: How the Benefits of Exercise Transfer to the Brain|Shelly Fan|July 14, 2020|Singularity Hub
In mice with light-sensitive neurons, the team activated multiple glomeruli with a specific pattern, which generated a hallucinatory sense of a particular scent—even if it wasn’t there and didn’t exist in nature.A Highway to Smell: How Scientists Used Light to Incept Smell in Mice|Shelly Fan|July 1, 2020|Singularity Hub
I read a study not long ago that chewing actually does activate your brain.
The manager responded by directing the first teller to call the police and activate the alarm.
Perry will home in on the darkest corners of the Tea Party mind and work relentlessly to activate the demons that lurk there.
Made from a Chinese root, TA-65 helps to activate telomerase, which rebuilds the strands.
We now know that both of the so-called printer bombs employed circuit boards from cellphones to activate the detonators.
We could press the button to activate the exercise mechanisms in our bunks.Perfect Control|Richard Stockham
He had not the slightest idea of how to activate the machines, let alone broadcast in the proper code.Storm Over Warlock|Andre Norton
This warmth was sufficient to activate most of the five-lined skinks, and a few reptiles of other kinds.
I shall now activate the mechanism—by placing the cube on the platform—at exactly three o'clock.Two Timer|Fredric Brown
We contend with it so as to remove it and, at the same time, activate the spiritual nature.An Interpretation of Friends Worship|N. Jean Toomer
British Dictionary definitions for activate
- to increase the rate of (a reaction)
- to treat (a substance, such as carbon or alumina) so as to increase powers of adsorption