| life span |
the length of time that an individual of any species lives or can be expected to live. |
| lifestyle |
the general mode of living of a person or group, including attitudes, occupational and class characteristics, financial priorities, possessions, and the like. |
| life-support |
of or pertaining to equipment or procedures that can sustain life, either when a bodily system fails or when a living body is in a hostile environment, such as space. |
| life-support system |
a system of equipment, esp. in a hospital, that keeps a person alive when he or she might otherwise die. [2 definitions] |
| life-threatening |
having the potential to kill, as an injury or disease. |
| lifetime |
the time during which a person's life continues. [3 definitions] |
| lifework |
all the work, or the most important work, of one's life. |
| Liffey |
a river in eastern Ireland that flows through Dublin. |
| lift |
to move (something) upward; raise. [12 definitions] |
| liftable |
combined form of lift. |
| lift a finger |
to make an attempt to work or help. |
| liftoff |
the moment of launching a missile or rocket, or the motion itself. |
| ligament |
a band of fibrous tissue that connects bones or supports muscles or organs. |
| ligand |
in biochemistry, a molecule that binds to a target biomolecule, usually a protein. [2 definitions] |
| ligate |
to tie up or bind (a bleeding artery) with a ligature. |
| ligature |
a band or tie used to connect, esp. a surgical stitch. [4 definitions] |
| light1 |
electromagnetic radiation, esp. from the sun, that enables one to see objects. [13 definitions] |
| light2 |
not heavy, full, intense, or forceful. [9 definitions] |
| light3 |
to set down after motion; land after flight. [2 definitions] |
| light air |
in meteorology, a wind with a speed of between one and three miles per hour. |
| light breeze |
in meteorology, a wind with a speed of between four and seven miles per hour. |