LEUCO-; LEUC- n.
A combining form signifying white, colorless; specif. (Chem.), denoting an extensive series of colorless organic compounds, obtained by reduction from certain other colored compounds; as, leucaniline, leucaurin, etc.
LEVEL n.
ted, taken at a mean distance between high and low water. -- Line of levels, a connected series of measurements, by means of a level, along a given line, as of a railroad, to ascertain the profile of the ground. -- Plumb level, one in which a horizontal bar is placed in true position by means of a plumb line, to whic…
LUCK n.
d or ill, affecting one's interests or happiness, and which is deemed casual; a course or series of such events regarded as occurring by chance; chance; hap; fate; fortune; often, one's habitual or characteristic fortune; as, good, bad, ill, or hard luck. Luck is often used for good luck; as, luck is better than skill.…
LUTIDINE n.
Any one of several metameric alkaloids, C5H3N.(CH3)2, of the pyridine series, obtained from bone oil as liquids, and having peculiar pungent odors. These alkaloids are also called respectively dimethyl pyridine, ethyl pyridine, etc.
MARGARIC a.
nd palmitic acids. (b) (Chem.) A white, crystalline substance, C17H34O2 of the fatty acid series, intermediate between palmitic and stearic acids, and obtained from the wax of certain lichens, from cetyl cyanide, and other sources.