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levorotatory turning to the left. (Cf. dextrorotatory.) [2 definitions]
levulose a simple sugar found in honey and certain fruits; fructose.
levy the collection or conscription of money, property, or troops by a government or other authority. [4 definitions]
lewd characterized by vulgarity or offensively explicit sexual references; bawdy. [2 definitions]
lewis an iron device made of several parts that fit into a dovetailed recess of a heavy stone for the purpose of lifting it.
Lewis and Clark Meriwether Lewis (b.1774--d.1809) and William Clark (b.1770--d.1838), U.S. leaders of an expedition to explore the uncharted American West, from Missouri to Oregon, from 1804 to 1807.
lewisite a highly toxic, odorless compound that causes severe blistering, used in chemical warfare.
lex (Latin) law.
lexical of or concerning a collection of words, esp. those of a particular language, considered apart from their uses in syntactical structures. [2 definitions]
lexicographer one who writes or compiles dictionaries.
lexicography the study and practice of principles of dictionary writing and compiling.
lexicon an inclusive listing such as a dictionary or inventory. [3 definitions]
Leyden jar an early device for accumulating and holding static electricity that consists of a glass jar coated inside and out with tinfoil, with a metal rod connected to the inner foil lining and passing out of the jar through an insulated stopper or lid.
Lhasa the capital of Tibet.
Lhasa apso any of a breed of small dog of Tibetan origin, having long thick hair hanging over the eyes and a tail that curls over the back.
Li symbol of the chemical element lithium.
liability the condition of or potential for being held responsible. [3 definitions]
liable held responsible by law. [3 definitions]
liaison a communication link between groups or between parts of an organization, or a person or group that performs this function. [3 definitions]
liana a tropical high-climbing, woody vine.
liar one who speaks lies instead of truth.