# Leavitt law

> English word · Proper noun

## Definitions
1. The relationship of direct proportionality between the luminosity of pulsating variable stars and their pulsation periods.

## Etymology
Discovered in 1908 by Henrietta Swan Leavitt.

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