esu
|e-su|
C2
/ɛsjuː/
electric charge unit
Etymology
Etymology Information
'esu' originates from the abbreviation of 'electrostatic unit', used in the CGS system to measure electric charge.
Historical Evolution
'electrostatic unit' was abbreviated to 'esu' in scientific contexts to simplify communication and notation.
Meaning Changes
Initially, it was used to measure electric charge in the CGS system, and this meaning has remained consistent.
Meanings by Part of Speech
Noun 1
a unit of electric charge in the centimeter-gram-second (CGS) system, equivalent to approximately 3.33564 × 10^-10 coulombs.
The charge of an electron is approximately -4.803 × 10^-10 esu.
Synonyms
Last updated: 2025/04/12 07:59