ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  escape valve - a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous levelregulator - any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. valve - control consisting of a mechanical device for controlling the flow of a fluid |
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