11-Letter Words Containing: _,A,E,E,H,L,S,T

• To lower the velocity and kinetic energy of fast neutrons in a nuclear reactor by use of a moderator, and thus increase the efficiency of fission

• capable of being used up

• capable of being used up; capable of being exhausted

• chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles

• fill with sublime emotion

• the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave

• a shared orientation leading to mutual understanding

• a wheel with buckets attached to its rim; raises water from a stream or pond

• a wheel that rotates by direct action of water; a simple turbine