chamber n. Room filled with poisonous gas to kill people or animals.

- fire n. Domestic heater burning gas.

- mask n. Respirator as a protection against poison gas.

- ring n. Hollow ring perforated with gas jets, for cooking etc.

- —n. (pl. -es) 1 any airlike substance (i.e. Not solid or liquid) moving freely to fill any space available.

- such a substance (esp. Found naturally or extracted from coal) used as fuel (also attrib.: gas cooker; gas industry).

- nitrous oxide or other gas as an anaesthetic.

- poisonous gas used in war.

- us colloq. Petrol, gasoline.

- slang idle talk; boasting.

- slang enjoyable or amusing thing or person. —v. (gases, gassed, gassing) 1 expose to gas, esp. To kill.

- colloq. Talk idly or boastfully.