# isotach

> English word · Noun

## Definitions
1. An isoline linking places on a map which have equal wind speed.

## Etymology
From iso- + Ancient Greek ταχύς (takhús, “fast”) (see tachy-).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/isotach