supercool

/ˌsupərˈkul/
adjective
  1. Very cool, excellent, or impressive; used informally to show strong approval.
    • The concert was supercool, with amazing lights and music.
    • My friend got a supercool drone that can fly over the lake.
    • That new video game is supercool — you should try it.
verb
  1. To cool a liquid below its freezing point without it becoming solid.
    • Scientists can supercool certain materials to study their properties at low temperatures.
    • If you supercool pure water carefully, it stays liquid even below 0°C.
    • The lab technician learned how to supercool the solution without causing ice crystals to form.
What does "supercool" mean? | whatsthatwordmean | whatsthatwordmean