'Striation' definitions:

Definition of 'striation'

From: WordNet
noun
Any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue [syn: stria, striation]
noun
A stripe or stripes of contrasting color; "chromosomes exhibit characteristic bands"; "the black and yellow banding of bees and wasps" [syn: band, banding, stria, striation]

Definition of 'Striation'

From: GCIDE
  • Striation \Stri*a"tion\, n.
  • 1. The quality or condition of being striated. [1913 Webster]
  • 2. A stria; as, the striations on a shell. [1913 Webster]