Fluorescent and Supersonic

Fluorescent adjective - Emitting light during exposure to radiation from an external source.

Supersonic and fluorescent are semantically related. In some cases you can use "Supersonic" instead an adjective "Fluorescent".

Nearby Word: fluorescence

Supersonic adjective - Of speed) greater than the speed of sound in a given medium (especially air.

Fluorescent and supersonic are semantically related. Sometimes you can use "Fluorescent" instead an adjective "Supersonic".