| low-water mark |
the lowest point reached by a low tide, or the lowest level of a body of water. [2 definitions] |
| lox1 |
a variety of smoked salmon. |
| lox2 |
liquid oxygen, used esp. to oxidize rocket fuel. |
| loyal |
showing steady adherence, service, or faithfulness, as to a government, group, person, ideal, or the like. |
| loyalist |
someone who is loyal to a government, organization, or leader, esp. in a time of crisis. [2 definitions] |
| loyalty |
the condition of being faithful or loyal. [2 definitions] |
| lozenge |
a small piece of medicated hard candy, sucked to ease a sore throat or cough. |
| LP |
abbreviation of "long-playing (record album)," a phonograph record meant to be played at thirty-three and one third revolutions per minute, or the music or other recorded material contained on it. |
| LPG |
abbreviation of "liquefied petroleum gas." |
| Lr |
symbol of the chemical element lawrencium. |
| LSD |
a powerful hallucinogenic drug, sometimes used in medical studies, as of schizophrenia; lysergic acid dimethylamide; LSD-25. |
| LSM |
abbreviation of "landing ship medium." |
| LST |
abbreviation of "landing ship, tank," a seagoing military vessel designed during World War II to support amphibious operations, and used primarily to land troops, supplies, vehicles, and heavy equipment onto beaches. |
| 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] |