Look up: Opt-In

1. Opt-in
   a mechanism by which an individual can signify agreement or specifically request to be included on a telemarketing, direct mail or e-mail marketing list.
   Found on http://wps.pearsoned.co.uk/wps/media/obj
   
   
2. opt-in
   The express act by a customer of granting a marketer permission to deliver marketing messages to the customer. The permission is typically granted by registering on a Web site or responding to an unsolicited E-mail and the messages are typically delivered by E-mail. See opt-out and permission marketing.
   Found on http://www.tedhaynes.com/newterms.html
   
   
3. Opt-In
   Means that a person is 'Opting In' to receive information or advertising. Double Opt-In means that he or she has confirmed twice that he or she wants to receive specific information or advertising.
   Found on http://emailuniverse.com/ezine-tips/?id=
   
   
4. optical frequency chain
   (from the article `Hall, John L.`) Working with Hänsch, Hall conducted prizewinning research on measuring optical frequencies (frequencies of visible light). Although a procedure (the ... Hänsch`s prizewinning research centred on measuring optical frequencies (frequencies of visible light). Although a procedure, known as an op...
   Found on http://www.britannica.com/eb/a-z/o/24
   
   
5. Optical power margin
   In an optical communications link, the `optical power margin` is the difference between the optical power that is launched by a given transmitter into the fiber, less transmission losses from all causes, and the minimum optical power that is required by the receiver for a specified level of performa...
   Found on http://en.wikipedia.org/wiki/Optical_pow
   
   
6. Optical train
   Optical train also called optical assembly is the arrangement of lenses to guide line of sight and lasers. The position and angle of lenses are adjusted to guide a laser through the path required.
   Found on http://en.wikipedia.org/wiki/Optical_tra
   
   
7. optimum gain
   the highest gain that can be obtained by adjustment when the tube is operated under stated conditions
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
8. Optineurin
   `Optineurin` is a protein that in humans is encoded by the OPTN gene.<ref name="pmid11834836">--><ref name="pmid9488477">--><ref name="entrez">--> Interactions: Optineurin has been shown to interact with year=1998|month=Sep. |title=Huntingtin interacts w...
   Found on http://en.wikipedia.org/wiki/Optineurin
   
   
9. Option margin
   The margin requirement for options described in Regulation T and in brokers` individual policies.
   Found on http://www.duke.edu/~charvey/Classes/wpg
   
   
10. Optochin
    --> `Optochin` (or `ethylhydrocupreine`) is a chemical used in cell culture techniques for the presumptive identification of Streptococcus pneumoniae, which is optochin-sensitive, from other α-haemolytic streptococci such as Streptococcus viridans which are resistant. A common mnemo...
    Found on http://en.wikipedia.org/wiki/Optochin