E=mc²
French, phrase/ə e.ɡa.l‿ɛm se dø/
E=mc² is a French phrase meaning “E=mc²” (English Wiktionary, September 2026).
What does E=mc² mean in English?
phrase
- 1
E=mc²
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Équation donnant la relation entre la masse et l’énergie. 2. Principe simple et génial.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
How do you pronounce E=mc²?
- /ə e.ɡa.l‿ɛm se dø/
- \ə e.ɡal ɛm.se.dø\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.