quench

Concise Oxford English Dictionary © 2008 Oxford University Press:
quench/kwentʃ/

▶verb

• 1 satisfy (thirst) by drinking.

• 2 satisfy (a desire).

• 3 extinguish (a fire).

  ■ rapidly cool (hot metal).

• 4 stifle (a feeling).

  ■ dated reduce to silence.

• 5 Physics & Electronics suppress or damp (luminescence, an oscillation, etc.).

▶noun an act of quenching something very hot.

– derivatives
quenchable adjective,
quencher noun,
quenchless adjective (literary).

– origin OE -cwencan (in acwencan ‘put out, extinguish’), of Gmc origin.