noun / adjective
miniature
MIN-uh-chur/ˈmɪnətʃər/
A very small or reduced-scale version of something.
The miniature rocking chair sits on its full-sized counterpart.

Etymology
Italian miniatura referred to manuscript illumination or a small picture. Because manuscript pictures were small, the word came to describe reduced-scale representations and then things much smaller than their natural size.
In context
a miniature Tyrannosaur the collared lizard Hunts on two legs