s 1 p 3 e 1 c 3 t 1 r 1 o 1 p 3 h 4 o 1 t 1 o 1 m 3 e 1 t 1 e 1 r 1
17 letters · 28 points in Scrabble
Meaning
noun a photometer for comparing two light radiations wavelength by wavelength
originEtymology tree Proto-Indo-European *speḱ- Proto-Indo-European *-yeti Proto-Indo-European *spéḱyeti Proto-Italic *spekjō Latin speciō Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Italic *-trom Latin -trum Latin spectrumbor. English spectrum English spectro- Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς…
Etymology from Wiktionary, CC BY-SA 3.0