Group 3
protocol, compression
(G3) The CCITT fax protocol which uses data compression and allows a variety of file types (e.g. electronic mail, pictures, PostScript) to be transmitted over analogue telephone lines.
The Group 3 protocol was published by CCITT in 1993. Full details of the protocol are available from ITU-T.
See also Group 4.
(1998-10-03)
Read Also:
- Group 4
protocol, compression (G4) The CCITT fax protocol which uses data compression and allows a variety of file types (e-mail, pictures, PostScript, etc.) to be transmitted over digital (ISDN) telephone lines. The Group 4 protocol was published by CCITT in 1993. Full details of the protocol are available from ITU-T. See also Group 3. (1998-09-10)
- Group agglutination
group agglutination n. The clumping of antibodies specific for a group of antigens common to several bacteria, each of which possesses its own specific antigen.
- Group agglutinin
group agglutinin n. An agglutinin specific for a group antigen. Also called cross-reacting agglutinin, minor agglutinin, partial agglutinin.
- Group-annuity
noun, Insurance. 1. a plan in which the members of a group, usually employees of the same company, receive annuities upon retirement.
- Group antigen
group antigen n. Any of several antigens that are shared by related genera of microorganisms.