noun
optomechanical mouse
A computer mouse that uses optical encoding and mechanical parts to track movement. This is a technical term in computing.
オプトメカニカルマウスは、ボール式マウスの一種です。
An optomechanical mouse is a type of ball mouse.
Loanword from English 'optomechanical mouse', combining 'opto-' (light) and 'mechanical'.