plural of optical flat

plural of optical double

plural of optical axis

plural of optical activity

plural of optical rotation

plural of optical fibre

plural of optical trap

A class of glass used to create optical lenses, such as that for spectacles or spyglasses

plural of optical mouse

(computing) A mouse (pointing device) that uses a light source and a light detector (for example, an LED and an array of photodiodes) to detect movement, as opposed to the earlier mechanical mouse.