The story
For Augustin-Jean Fresnel, French physicist.
Etymology from Wiktionary, CC BY-SA 4.0.
fresnel
Today it means: A unit of frequency equal to 10¹² hertz, or one terahertz. Full definition →
Today it means: A unit of frequency equal to 10¹² hertz, or one terahertz. Full definition →
For Augustin-Jean Fresnel, French physicist.
Etymology from Wiktionary, CC BY-SA 4.0.