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1. To render active.
2. To make radioactive.


tr.v. acti·vated, acti·vating, acti·vates
1. To set in motion; make active or more active.
2. Biology To convert (certain biological compounds) into biologically active derivatives.

ac′ti·va′tion n.
ac′ti·va′tor n.


See activation.


(1) To render something active.
(2) To make something radioactive.
Chemistry To convert a compound—e.g., a provitamin or enzyme—into an active form or different compound, in particular one that has a specific biologic action
Example, activation by UV light Ergosterol, lumisterol, tachysterol, vitamin D2


1. To render active.
2. To make radioactive.

activate (ak´tivāt),

v in orthodontics, to adjust an appliance so that it will exert effective force on the teeth and jaws.

Patient discussion about activate

Q. Are there any nice activities for adults with autism? I've been helping a very nice man of 45 of years old and I'm looking for some new things I can do with him in our time together. any ideas?

A. Autistic people react wonderfully with animals. for instance- i saw a group of severe Autistic teenagers going to swim with dolphins. the effect was amazing! taking him to the zoo, or even to the park to feed ducks, pet dogs, whatever.. could have a great effect on him.
hope i helped!
tell me how it went.

Q. what is a passive smoking? and is it dangerous as an active?

A. Passive smoking is the exposure to cigarettes smoke emitted from cigarettes smoke by other person. It's dangerous and may increase the risk to several diseases similar to active smoking (one's exposure to smoke emitted from the cigarettes he or she is smoking) although the risk is of lower magnitude. Example for passive smoking is children of smokers etc.

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Q. i swim a lot ! what are the advantages of swimming over other sport activities? on what part of the body does it work the most ?

A. its a good workout but your not really going to burn as much calories as a regular work out.

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References in periodicals archive ?
ActiveSync mobile device activations in October 2011 to 26 percent in December 2011.
a comprehensive activation management service offering.
Develop concise, easy-to-follow procedures for staff response to monitoring/security system activation.
a provider of software protection solutions for securing high value and mission critical applications, announced today a technology partnership with Uniloc USA, a leading provider of device locked product activation software.
The new wireless activation service is yet another example of ModusLink's commitment to generating high-value solutions that meet the unique challenges of our clients," said Joseph C.
BeVocal, the leading provider of hosted customer self-service solutions, today announced the availability of automated handset activation for wireless carriers.
The BCA program provides the Company with six sources of revenue: revenue from the sale of the bulk programming to the property owner; a percentage of the revenue earned by DIRECTV from the sale of "upgraded" programming; an installation fee from residents that choose to upgrade their service; an "access fees" from residents that require more than one set-top receiver for their upgraded service; an activation fee from DIRECTV for each unit in the property receiving the 70 channel bulk package; and, an activation fee from DIRECTV for each resident that upgrades their service.
Fourth quarter 2001 postpaid net retail customer additions represented a 36% increase over the 38,169 postpaid net retail additions for the same quarter one year earlier, reflecting the impact of changes made last spring to the Company's product distribution strategy and customer account activation process.
This performance reflects changes the Company has made to its distribution and activation strategies.
Available at the point of sale through any Web browser, @ctivate enhances the ability of dealers and agents to process new subscriber activations.
Hahn commented: "Although the direct costs associated with activations are already significantly lower than the industry norm, this improvement in our Remote Activation Process further reduces our costs.

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