phototachymeter etymology

English word phototachymeter comes from English tachymeter, English photo- (Light, electromagnetic radiation. Photography.)

Detailed word origin of phototachymeter

Dictionary entryLanguageDefinition
tachymeter English (eng) A speed indicator; a tachometer.. A surveying instrument for quickly finding distances.
photo- English (eng) Light, electromagnetic radiation. Photography.
phototachymeter English (eng) An electrooptical instrument for measuring distances.

Words with the same origin as phototachymeter

Descendants of photo-
photo photography