action spectrum

Questions

What does action spectrum mean?

the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation

How to pronounce action spectrum

1. Open the pronunciation page — Open the Speakur entry for “action spectrum”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “action spectrum”.
4. Repeat and practice — Say “action spectrum” aloud, matching stress and vowels until it feels natural.