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death or destruction; deadly; mortal; destructive; calamitous; as, a fatal wound; a fatal disease; a fatal day; a fatal error.

ves fatlike substances. -- Fatty clays. See under Clay. -- Fatty degeneration (Med.), a diseased condition, in which the oil globules, naturally present in certain organs, are so multiplied as gradually to destroy and replace the efficient parts of these organs. -- Fatty heart, Fatty liver, etc. (Med.), a heart, liv…

Of or pertaining to the disease called favus.

A disease of the scalp, produced by a vegetable parasite.

ly, hydrolytic. Good examples are pepsin of the dastric juice, ptyalin of the salvia, and disease of malt. globular proteins, capable of catalyzing a wide variety of chemical reactions, not merely hydrolytic. The full set of enzymes causing production of ethyl alcohol from sugar has been identified and individually pur…

The theory which likens the course of certain diseases (esp. infectious diseases) to the process of fermentation, and attributes them to the organized ferments in the body. It does not differ materially from the accepted germ theory (which see).

A disease of plants caused by fungi, commonly called the rust, from its resemblance to iron rust in color.

A diseased state of the system, marked by increased heat, acceleration of the pulse, and a general derangement of the functions, including usually, thirst and loss of appetite. Many diseases, of which fever is the most prominent symptom, are denominated fevers; as, typhoid fever; yellow fever.

A disease in hawks, characterized by the presence of small threadlike worms, also of filaments of coagulated blood, from the rupture of a vein; -- called also backworm. Sir T. Browne.

lution. To purify the soul from the dross and filth of sensual delights. Tillotson. Filth disease (Med.), a disease supposed to be due to pollution of the soil or water.

ate; a cresset. Knight. -- Fire beetle. (Zoöl.) See in the Vocabulary. -- Fire blast, a disease of plants which causes them to appear as if burnt by fire. -- Fire box, the chamber of a furnace, steam boiler, etc., for the fire. -- Fire brick, a refractory brick, capable of sustaining intense heat without fusion, us…

A sudden and violent attack of a disorder; a stroke of disease, as of epilepsy or apoplexy, which produces convulsions or unconsciousness; a convulsion; a paroxysm; hence, a period of exacerbation of a disease; in general, an attack of disease; as, a fit of sickness. And when the fit was on him, I did mark How he did s…

A disease of the glands under the ear in horses; the vives. Shak.

A bacterial disease of silkworms, supposed to be due to eating contaminated mulberry leaves.

antine flag of all nations; also carried at a vessel's fore, to denote that an infectious disease is on board.

A disease in the lips of horses. Flap tile, a tile with a bent up portion, to turn a corner or catch a drip. -- Flap valve (Mech.), a valve which opens and shuts upon one hinged side; a clack valve.

ick person, as if to pick off flocks of wool; carphology; -- an alarming symptom in acute diseases. Dunglison.

The lotion applied to a diseased part.

A disease affecting the feet of sheep.

Loathsome; disgusting; as, a foul disease.