coronium

Questions

What does coronium mean?

A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).

Where does coronium come from?

From corona + -ium, coined by a certain A. Gruenwald.

How to pronounce coronium

1. Open the pronunciation page — Open the Speakur entry for “coronium”.
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 “coronium”.
4. Repeat and practice — Say “coronium” aloud, matching stress and vowels until it feels natural.