Meta must be combined with a root word, either with a hyphen or by concatenation. Therefore, the only proper terms are meta-data and metadata. ... Because the term 'metadata' is a trademark of The Metadata Company, DAMA specifically uses the term meta-data.

Is metadata one word or two?

agree metadata is one word.

How do you spell meta data?

The short answer is there is no difference – it is simply a matter of the correct spelling of “metadata“. Call it what you will, taxonomy, meta data or metainformation, it is all metadata.