noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A locus of points of all the fluid particles that have passed continuously through a particular spatial point in the past.

   "Dye steadily injected into the fluid at a fixed point extends along a streakline."

Example

More examples

"Dye steadily injected into the fluid at a fixed point extends along a streakline."

Etymology

From streak + line.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.