secchi-disk

listen to the pronunciation of secchi-disk
Türkçe - İngilizce
(Denizbilim) secchi disc
İngilizce - İngilizce
A disk, divided into black and white quarters, used to gauge water clarity by measuring the depth at which it is no longer visible from the surface
İngilizce - Türkçe
(Askeri) seki disk
secchi-disk