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Lac   /læk/   Listen
noun
Lakh, Lac  n.  (Written also lack)  One hundred thousand; also, a vaguely great number; as, a lac of rupees. (East Indies)



Lac  n.  A resinous substance produced mainly on the banyan tree, but to some extent on other trees, by the Laccifer lacca (formerly Coccus lacca), a scale-shaped insect, the female of which fixes herself on the bark, and exudes from the margin of her body this resinous substance. Note: Stick-lac is the substance in its natural state, incrusting small twigs. When broken off, and the coloring matter partly removed, the granular residuum is called seed-lac. When melted, and reduced to a thin crust, it is called shell-lac or shellac. Lac is an important ingredient in sealing wax, dyes, varnishes, and lacquers.
Ceylon lac, a resinous exudation of the tree Croton lacciferum, resembling lac.
Lac dye, a scarlet dye obtained from stick-lac.
Lac lake, the coloring matter of lac dye when precipitated from its solutions by alum.
Mexican lac, an exudation of the tree Croton Draco.





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"Lac" Quotes from Famous Books



... and resembles the sanguis draconis; possibly it may be the same, for this substance is known to be the produce of more than one plant. It is mentioned by Dampier, and is perhaps the same that Tasman found upon Diemen's Land, where he says he saw "gum of the trees, and gum lac of the ground." The other timber tree is that which grows somewhat like our pines, and has been particularly mentioned in the account of Botany Bay. The wood of both these trees, as I have before remarked, is extremely hard and heavy. Besides ...
— A General History and Collection of Voyages and Travels, Vol. 13 • Robert Kerr
 
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... alkanet, and murexide. Madder reds are turned to an orange by hydrochloric acid, while the three next are not notably affected. Cochineal is turned by the potassa to a violet-red, orchil to a violet-blue, and alkanet to a decided blue. Lac-dye presents the same reactions as cochineal, but has less brightness. Ammoniacal cochineal and carmine may likewise be distinguished by the tone ...
— Scientific American Supplement, No. 363, December 16, 1882 • Various
 
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... mulctra gerunt niveos ubere de gemino latices, perque coagula densa liquor in solidum coit et fragili lac tenerum ...
— The Hymns of Prudentius • Aurelius Clemens Prudentius
 
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... of the Round Table, Sir Lancelot du Lac, who is the hero of several lengthy poems and romances bearing his name, was the most popular. Chrestien de Troyes, Geoffrey de Ligny, Robert de Borron, and Map have all written about him, and he was so well known that his name was given to one of the knaves on the playing cards invented at about ...
— Legends of the Middle Ages - Narrated with Special Reference to Literature and Art • H.A. Guerber
 
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... Gare des Vollondes, at the opposite end of the city, from which ran the short line to Bouveret on the south shore of the lake, and I sent Falloon there to inquire, giving him a rendezvous an hour later at the Cafe de la Couronne on the Quai du Lac. Meanwhile I meant to take all the hotels in regular order, and began with those of the first class on the right bank, the Beau Rivage, the Russie, de la Paix, National, Des Bergues, and the rest. As I drew blank everywhere I proceeded to try the hotels on the left bank, and ...
— The Passenger from Calais • Arthur Griffiths
 
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