noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An isoline on a map or chart connecting points that have the same value for some time-related variable.

   "isochrones of urban development, isochrones of equal travel time"

2. 2
   an isogram connecting points at which something occurs or arrives at the same time wordnet
3. 3
   A semicubical parabola.

Example

More examples

"isochrones of urban development, isochrones of equal travel time"

Etymology

See iso- and chrono-.

Related phrases

semicubical parabola

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