{"tema_id":"8449","string":"gas","created":"2026-09-01 17:01:01","code":null,"notes":[{"@type":"Nota de escopo","@lang":"en","@value":"Substance in the gaseous state, the state of matter distinguished from the liquid and solid states by very low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container.\nSource: AAT\nhttp:\/\/vocab.getty.edu\/page\/aat\/300015379 "}]}