1technical A linear mark, slight ridge, or groove on a surface, often one of a number of similar parallel features.
‘Evidence for these glaciers in the park is in the form of roches moutonées, rock erratics, striae and groove markings.’
- ‘Here the medial surface shows a small patch of parallel striae.’
- ‘The suture between the dentary and postsplenial and splenial is partly visible on the latter, where it is marked by striae.’
- ‘The striae ridges are broad and bifurcate both apically and basally, and the grooves are narrow and sharp.’
- ‘Both mineral elongation lineation and striae are observed in clasts.’
band, line, strip, stripe, vein, slash, bar