| Term |
Definition |
| English |
spectral average |
| French |
moyenne spectrale |
| German |
Spektraldurchschnitt |
| Dutch |
spectraalgemiddelde |
| Italian |
media spettrale |
| Spanish |
promedio espectral |
| Catalan |
mitjana (mostral) espectral |
| Portuguese |
média espectral |
| Romanian |
- |
| Danish |
- |
| Norwegian |
- |
| Swedish |
spektralmedelvärde |
| Greek |
φασματική μέση |
| Finnish |
spektrikeskiarvo |
| Hungarian |
spektrálátlag |
| Turkish |
tayf ortalaması ; spektral ortalama |
| Estonian |
spektraalkeskväärtus ; spektraalkeskmine |
| Lithuanian |
spektrinis vidurkis |
| Slovenian |
- |
| Polish |
przeciętna spektralna |
| Russian |
Спектральное среднее |
| Ukrainian |
- |
| Serbian |
спектрални просек |
| Icelandic |
- |
| Euskara |
- |
| Farsi |
miyangine teyfi |
| Persian-Farsi |
- |
| Arabic |
معدل الطيف |
| Afrikaans |
spektraalgemiddelde |
| Chinese |
谱 平 均 数 |
| Korean |
스펙트럼 평균 |
