A safety valve that relieves pressure when it becomes high but before it becomes dangerous.

A person who believes in religious naturalism.

plural of entity relationship diagram

plural of religious order

plural of religious naturalist

plural of relief pitcher

(baseball) A pitcher who enters the game after the starting pitcher or another relief pitcher is removed due to injury, ineffectiveness, ejection from the game or fatigue.

(semantics) A term that, together with another term, forms a pair of opposite role names in a relationship, such as parent and child.

plural of small ubiquitin-related modifier

(construction) A system of drains and moisture barriers used to regulate the hydrostatic pressure in the earth surrounding a below-grade structure.