compulsory military service.
(US) (formerly) compulsory military service under which men were conscripted selectively
noun 1. the U.S. federal agency that facilitates the mobilization of military forces by requiring the registration of males between the ages of 18 and 26 years. Abbreviation: SSS. Selective Service System definition The system used in the United States to draft young people into armed service. Though the United States at present has no […]
- Selective stain
selective stain n. A stain that colors one portion of a tissue or cell exclusively or more deeply than the remaining portions.
- Selective synchronization
noun 1. a sound-recording process that facilitates overdubs by feeding the recorded track to the performer straight from the recording head Often shortened to sel-sync
noun, Automotive. 1. a transmission in which the available forward and reverse gears may be engaged in any order, without passing progressively through the different changes of gear.