ultraminiaturized
adjective
ul·tra·min·i·a·tur·ized ˌəl-trə-ˈmi-nē-ə-chə-ˌrīzd 
-ˈmi-ni-chə-,
-ˈmin-yə-chə-,
-ˌtyu̇-,
-ˌtu̇-
: designed or constructed in extremely small size : miniaturized to an extreme degree
ultraminiaturized 1:100 scale models
ultraminiaturized circuits
Word History
First Known Use
1958, in the meaning defined above