| lightning |
natural electricity produced in thunderstorm clouds and appearing as a bright flash or streak of light in the sky. [3 definitions] |
| lightning bug |
a firefly. |
| lightning rod |
a grounded metal rod placed high on a building to divert lightning by providing a path for it into the ground. |
| light off |
to set fire to (fireworks or the like) in order to cause an explosion, usually for the purpose of entertainment. |
| light opera |
a short, comic, musical play; operetta. |
| 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. |
| lights |
the lungs of animals, esp. of sheep and pigs, used for food. |
| lightship |
a ship equipped with sirens, lights, foghorns, and the like that is moored in dangerous waters to guide other ships. |
| lightsome1 |
nimble; lively; agile. [3 definitions] |
| lightsome2 |
giving light; luminous. [2 definitions] |
| lights out |
a signal to turn off the lights for the night, esp. used in military and other camps. [2 definitions] |
| light switch |
a device, especially one on a wall or lamp, that is manipulated in order to turn a light on or off. |
| light up |
to suddenly become brightly illuminated. [5 definitions] |
| light verse |
poetry, usu. rhymed, that treats its subject humorously. |
| lightwave |
of or pertaining to fiber-optic communication equipment. |
| lightweight |
weighing little, or less than an otherwise similar object. [6 definitions] |
| light-year |
a unit of distance equal to the distance light can travel in a year, or approximately six trillion miles. |
| ligneous |
of or having the texture or appearance of wood; woody. |
| lignin |
any of a group of plant polymers, found esp. in wood and bark, that provide structural support to the plant. |
| lignite |
a brownish black coal of low density that contains wood. |
| lignum vitae |
the hard, heavy, durable wood of a genus of evergreen tropical American trees, used in making marine supplies, casters, pulleys, and the like. |