initiator


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initiator

[i′nish·ē‚ād·ər]
(chemistry)
The substance or molecule (other than reactant) that initiates a chain reaction, as in polymerization; an example is acetyl peroxide.
(computer science)
A part of an operating system of a large computer that runs several jobs at the same time, setting up the job, monitoring its progress, and performing any necessary cleanup after the job's completion.
(ordnance)
A device used as the first element of an explosive train, such as a detonator or squib, which upon receipt of the proper mechanical or electrical impulse produces a burning or detonating action; it generally contains a small quantity of a sensitive explosive.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

initiator

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References in periodicals archive ?
Finally, we found mixed evidence of healthy adherer bias from our two initiator cohorts.
To the extent that a project initiator is providing a tangible reward in exchange for a contribution, some states will likely consider this exchange to be a retail sale subject to sales tax, unless the particular reward is exempt or otherwise nontaxable in that state.
Unlike in [16], the initiator of the proposed algorithm receives a reply from all nodes in its reachable set at most twice.
* The initiator cannot realize the contract in time because don't have enough capacity.
That reference plays to the widespread assumption, which has been embraced by the International Atomic Energy Agency, that Iran had carried out experiments with Polonium-210 in the late 1980s, indicating an interest in neutron initiators. The IAEA referred in reports from 2004 through 2007 to its belief that the experiment with Polonium-210 had potential relevance to making "a neutron initiator in some designs of nuclear weapons."
The new FCoE initiator code is based on a specification being developed by the T11, the Fibre Channel standards body, in the FC-BB-5 work group.
The effect of various parameters such as temperature, photoinitiator concentration, and the type of initiator are evaluated.
These include numerous contextual factors such as initiator strategies, characteristics of the initiator, characteristics of the victim, and the nature of the relationship between initiator and victim (for a review see Adams-Curtis & Forbes, 2004).
In addition, there is some evidence that certain initiator characteristics are associated with delayed arrival time.
(18.) Zhen-guo, L, Ye, H, Chao, Z, Ming-yao, Z, Wei-ming, L, Hui-xuan, Z, Feng-qi, L, Wan-Jun, L, "Seeded Emulsion Polymerization of Butyl Acrylate Using a Redox Initiator System: Kinetics and Mechanism." Ind.
As shown in Scheme 1, a mixture of 60 g (1 mol) urea and 750 g (10 mol) MC with potassium carbonate (6 g) as an initiator was stirred and refluxed at 160 C for 6 h, and then the methanol from the reaction was collected.
Stokes and Chang prepared telechelic polyolefin polymerization with a terpene initiator with functional groups that survive polymerization.