Definition that contains s level
- escape a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- chin raise oneself while hanging from one's hands until one's chin is level with the support bar
- vertical of or relating to different levels in a hierarchy (as levels of social class or income group)
- weir a low dam built across a stream to raise its level or divert its flow
- ballcock floating ball that controls level in a water tank
- chin up raise oneself while hanging from one's hands until one's chin is level with the support bar
- psa blood test a blood test that measures levels of a protein called prostate specific antigen that is manufactured exclusively by the prostate gland; men with prostate problems usually have elevated levels of PSA
- dumpy level a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
- mason's level a level longer than a carpenter's level
- relief 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 level