| Definition -
A type of adjective that is used to show the relative position of a noun in time or space.
1. The most common ones in English are this, that, these, and those.
2. You can sometimes use demonstrative adjectives as demonstrative pronouns. For example:
These clothes are beautiful. [demonstrative adjective]
These are beautiful. [demonstrative pronoun]
Example - These dogs are over here, but those dogs are over there.
Oxford English Dictionary - There is no OED citation for the term.