n.
Pronunciation: ' spek-tr ə - ˌ sk ō p
Function: noun
Etymology: International Scientific Vocabulary
Date: 1861
: an instrument for forming and examining spectra especially in the visible region of the electromagnetic spectrum
– spec · tro · scop · ic \ ˌ spek-tr ə - ' skä-pik \ adjective
– spec · tro · scop · i · cal · ly \ -pi-k( ə -)l ē \ adverb
– spec · tros · co · pist \ spek- ' träs-k ə -pist \ noun