passive iron

Questions

What does passive iron mean?

Iron that has been subjected to the action of heat, strong nitric acid, chlorine, etc. It is then not easily acted upon by acids.

How to pronounce passive iron

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