# spectra

Pronunciation: say "SPEK-truh" /ˈspɛktɹə/

## Noun

1. Plural of spectrum. — plural of spectrum
   - Simple: Plural of spectrum. Use this form when talking about more than one spectrum.
   - _The astronomer recorded the spectra of several distant galaxies._
   - _Different elements produce distinct emission spectra when heated._

Source: DictionaryAI, https://dictionaryai.com/define/spectra (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).