uncountable

Short definition from Wiktionary

Adjective

1. 1
   So many as to be incapable of being counted.
2. 2
   Incapable of being put into one-to-one correspondence with the natural numbers or any subset thereof.
3. 3
   That cannot be used freely with numbers or the indefinite article, and therefore usually takes no plural form. Example: information.

Noun

1. 1
   A noun that is uncountable.