Definition of subline in English:

subline

noun

  • A subdivision of a line of ancestry. In later use (Genetics): a population of cells, organisms, etc., derived from an isogenic cell line or inbred line which is distinguished by having a trait differing in some way from the original line, caused by mutation or inherited from a genetically impure ancestor.

Origin

Mid 19th century; earliest use found in Robert Chambers (1802–1871), publisher and writer. From sub- + line.

Pronunciation

subline

/ˈsʌblʌɪn/