# hebdometre

> English word · Noun

## Definitions
1. A unit of length equal to 10⁷ metres.

## Etymology
From hebdo- + metre. Proposed by Rudolf Clausius in the 1880s.

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