In bacteriology, a continuous line of more than eight cells. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. in bacteriology, a continuous line of more than eight cells.
long-chain molecule noun (chemistry) a relatively long chain of atoms in a molecule adjective of molecules having relatively long chains of atoms in a molecule
pertaining to molecules composed of long chains of atoms, or polymers composed of long chains of monomers.