German ⇄ Arabic Bulgarian Chinese Czech Danish Dutch English Finnish French Greek Italian Japanese Polish Portuguese Romanian Russian Spanish Swedish Ukrainian

Lichtgeschwindigkeit f =
gen.	light speed
earth.sc.	velocity of light in vacuo
phys.	speed of light in vacuum; luminal speed; light velocity
tech.	speed of light; velocity of light
mit Lichtgeschwindigkeit f
gen.	at speed of light

Lichtgeschwindigkeit: 7 phrases in 3 subjects

Analytical chemistry	2
Electronics	1
Optics branch of physics	4