| Lt. |
abbreviation of "Lieutenant." |
| Ltd. |
abbreviation of "limited (company)," (chiefly British) a company owned by shareholders who have only limited liability for the company's debts. |
| Lu |
symbol of the chemical element lutetium. |
| Luanda |
the seaport capital of Angola. |
| luau |
an elaborate meal of Hawaiian dishes, often featuring performances of Hawaiian music and dancing. |
| lubber |
a clumsy, unskilled, or inexperienced sailor or seaman; landlubber. [2 definitions] |
| lube |
(informal) a lubricant. [2 definitions] |
| lubricant |
any material, such as oil, graphite, or grease, that is used to coat closely fitting moving parts and thereby lower friction. [2 definitions] |
| lubricate |
to coat or supply with a lubricant. [2 definitions] |
| lubricious |
slippery, oily, or smooth. [3 definitions] |
| lubricity |
smoothness or slipperiness, esp. the effectiveness of a lubricant as determined by this quality. [3 definitions] |
| lucent |
giving off light; shining; luminous. [2 definitions] |
| lucerne |
alfalfa. |
| lucid |
easy to understand; articulate; clear. [3 definitions] |
| Lucifer |
in Christian theology, the rebellious archangel who was cast out of heaven by God; Satan. |
| luciferase |
an enzyme that produces bioluminescence in fireflies and certain marine animals such as jellyfish. |
| Lucite |
trademark for a clear plastic used esp. as a glass substitute. |
| luck |
the supposed force behind the apparently causeless or random occurrence of an event or events; fortune; chance. [2 definitions] |
| luckily |
by fortunate chance. |
| luckless |
without good luck; attended by bad fortune. |
| luck out |
(informal) to experience an instance of extremely good luck. |