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Famish :: Famish (v. i.) To suffer extremity from deprivation of anything essential or necessary.

Crocidolite :: Crocidolite (n.) A mineral occuring in silky fibers of a lavender blue color. It is related to hornblende and is essentially a silicate of iron and soda; -- called also blue asbestus. A silicified form, in which the fibers penetrating quartz are changed to oxide of iron, is the yellow brown tiger-eye of the jewelers..

Must :: Must (v. i. / auxiliary) To be morally required; to be necessary or essential to a certain quality, character, end, or result; as, he must reconsider the matter; he must have been insane..

Gyrostat :: Gyrostat (n.) A modification of the gyroscope, consisting essentially of a fly wheel fixed inside a rigid case to which is attached a thin flange of metal for supporting the instrument. It is used in studying the dynamics of rotating bodies..

Promorphology :: Promorphology (n.) Crystallography of organic forms; -- a division of morphology created by Haeckel. It is essentially stereometric, and relates to a mathematical conception of organic forms. See Tectology..

Lip :: Lip (n.) One of the two fleshy folds which surround the orifice of the mouth in man and many other animals. In man the lips are organs of speech essential to certain articulations. Hence, by a figure they denote the mouth, or all the organs of speech, and sometimes speech itself..

Methylene :: Methylene (n.) A hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene..

Kernel :: Kernel (n.) The central, substantial or essential part of anything; the gist; the core; as, the kernel of an argument..

Ethyl :: Ethyl (n.) A monatomic, hydrocarbon radical, C2H5 of the paraffin series, forming the essential radical of ethane, and of common alcohol and ether..

Quintessence :: Quintessence (n.) Hence: An extract from anything, containing its rarest virtue, or most subtle and essential constituent in a small quantity; pure or concentrated essence..

Pyridyl :: Pyridyl (n.) A hypothetical radical, C5H4N, regarded as the essential residue of pyridine, and analogous to phenyl..

Myolin :: Myolin (n.) The essential material of muscle fibers.

Hesperornis :: Hesperornis (n.) A genus of large, extinct, wingless birds from the Cretaceous deposits of Kansas, belonging to the Odontornithes. They had teeth, and were essentially carnivorous swimming ostriches. Several species are known. See Illust. in Append..

Mutilation :: Mutilation (n.) The act of mutilating, or the state of being mutilated; deprivation of a limb or of an essential part..

Extract :: Extract (n.) A decoction, solution, or infusion made by drawing out from any substance that which gives it its essential and characteristic virtue; essence; as, extract of beef; extract of dandelion; also, any substance so extracted, and characteristic of that from which it is obtained; as, quinine is the most important extract of Peruvian bark..

Prosylogism :: Prosylogism (n.) A syllogism preliminary or logically essential to another syllogism; the conclusion of such a syllogism, which becomes a premise of the following syllogism..

Hepar :: Hepar (n.) Liver of sulphur; a substance of a liver-brown color, sometimes used in medicine. It is formed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris (/)..

Essential :: Essential (a.) Idiopathic; independent of other diseases.

Celluloid :: Celluloid (n.) A substance composed essentially of gun cotton and camphor, and when pure resembling ivory in texture and color, but variously colored to imitate coral, tortoise shell, amber, malachite, etc. It is used in the manufacture of jewelry and many small articles, as combs, brushes, collars, and cuffs; -- originally called xylonite..

Bergamot :: Bergamot (n.) A tree of the Orange family (Citrus bergamia), having a roundish or pear-shaped fruit, from the rind of which an essential oil of delicious odor is extracted, much prized as a perfume. Also, the fruit..

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