life line
- n a crease on the palm; its length is said by palmists to indicate how long you will live
life preserver
- n rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
life principle
- n a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed
life raft
- n a raft to use if a ship must be abandoned in an emergency
life ring
- n a life preserver in the form of a ring of buoyant material
life science
- n any of the branches of natural science dealing with the structure and behavior of living organisms
life story
- n an account of the series of events making up a person's life