Active Stretch: Muscles are stretched using the contraction of the opposing muscle, (antagonist). For an example stretching the triceps, requires the biceps to contract.

 

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Active Stretch: Muscles are stretched using the contraction of the opposing muscle, (antagonist). For an example stretching the triceps, requires the biceps to contract.

Radioactive Decay: The spontaneous decay of an atom to an atom of a different element by emission of a particle from its nucleus (alpha and beta decay) or by electron capture.

Most Active List: The stocks with the highest volume of trading on a certain day.

Reactive Attachment Disorder: A condition with onset before age 5, resulting from an early lack of consistent care, characterized by a child's or infant's inability to make appropriate social contact with others. Symptom . . . View Full Definition

Reactive Resin: A polymer that is a cousin to traditional urethane; used as the coverstock on most modern balls; it is generally a surface that grabs the lane sooner, resulting in more and earlier hook than . . . View Full Definition

Refractive Index: Numerical value indicating the light bending power of a medium such as glass. The greater the bending power, the greater the refractive index.

Interactive Television: An anticipated use of television with interactive content and enhancements, enabling the viewer to interact with the program. Interactive television, in theory, would enhance the entertainme . . . View Full Definition

Interactive Novel: A 'choose-your-own-adventure' style novel in which the reader has the option to choose what will happen next, creating a different possible series of events or endings for the narrative. Oft . . . View Full Definition

Interactive Agency: An agency offering a mix of Web design/development, Internet advertising/marketing, or E-Business/E-Commerce consulting.

Inactive Stock-Bond: Trading post on NYSE floor where inactive, lightly traded stocks are traded in 10-share lots as opposed to 100-share lots.