Formaldehyde (CH₂O) is a simple organic compound that exists as a gas at room temperature.
Paraformaldehyde is a solid polymer of formaldehyde, often used as a source of formaldehyde gas.
It's possible that the term "meta-formaldehyde" is a misnomer or a misunderstanding. If you are encountering this term in a specific context, please provide more information so I can assist you further.
