The story
- Latinspeciō
- Latinspectrum
- Englishspectrum
- Englishspectro-
- Englishtemporal
- English todayspectrotemporal
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Being a function of both time and frequency or wavelength Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.