| lifetime |
the time during which a person's life goes on. [2 definitions] |
| lift |
to bring upward; raise. [9 definitions] |
| lift a finger |
to make an effort to help or do work. |
| liftoff |
the moment of launching a missile or rocket, or the movement of the rocket itself. |
| ligament |
a band of tough tissue that connects bones or supports muscles or organs. |
| light1 |
the form of energy that makes it possible for the eye to see. The sun produces light. [11 definitions] |
| light2 |
not heavy, full, intense, or powerful. [4 definitions] |
| light bulb |
a glass object that fits into a lamp or similar device and produces light. |
| lighten1 |
to become brighter or lighter in color. [2 definitions] |
| lighten2 |
to reduce the weight of. [2 definitions] |
| lighthearted |
cheerful or gay; carefree. |
| lighthouse |
a tower with a flashing light for guiding ships and warning them of dangers in the water. |
| lighting |
the type and arrangement of lights in an area. |
| lightly |
with little weight or force. [3 definitions] |
| lightning |
natural electricity produced in thunderclouds. Lightning appears as a bright flash or streak of light in the sky. [2 definitions] |
| lightning bug |
another name for firefly. |
| light pen |
an electronic device that can detect light and dark areas on a computer screen. It is used to select objects on the screen. |
| light switch |
a device, especially one that is attached to a wall or a lamp, used to turn a light on or off. |
| light-year |
a unit of distance equal to the distance light can travel in one year, about six trillion miles. |
| likable |
liked by others, or easy to like. |
| -like |
a suffix that means "similar to" or "like." |