Preserving life; preventing death.

plural of life raft

(obsolete, inorganic chemistry) butter of antimony, antimony trichloride

plural of life coach

Third-person singular simple present indicative form of life coach

One should make the most of one's life, as one never knows when one will die.

The aspects of one's life that are personal, such as family, friends and other personal relationships, as opposed to the elements that make up one's public or professional life.

(Britain) A buoyant object (most commonly torus-shaped) that is used as a life-saving device by keeping a person afloat. / (Britain, metaphoric) Something that rescues one from difficulties.

The time that a battery lasts

A kind of tree, the arborvitae. / (biology) A metaphor used to describe the relationships between organisms, both living and extinct, usually represented with a tree-like diagram.