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erysipeloid

a usually self-limiting cellulitis of the hand somewhat resembling erysipelas, caused by the bacterium Erysipelothrix rhusiopathiae. It may start at the site of a wound obtained while handling meat or fish, and may occasionally become generalizd with protracted illness and severe toxemia.

Erysipelothrix

a genus of non-motile, rod-shaped Gram-positive bacteria of the family Corynebacteriaceae. They are facultatively anaerobic and produce acid but no gas from glucose. Members of this genus are parasitic on fish, birds, and mammals, including man. The type species of the genus, Erysipelothrix rhusiopathiae, causes erysipeloid in man.

Erythema

A disease of the skin, in which a diffused inflammation forms rose-colored patches of variable size.

Erythematic

Characterized by, or causing, a morbid redness of the skin; relating to erythema.

Erythric

Pertaining to, derived from, or resembling, erythrin.

Erythrina

A genus of leguminous plants growing in the tropics; coral tree; -- so called from its red flowers.

Erythrine Erythrin

A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid.

Erythrism

A condition of excessive redness. See Erythrochroism.

Erythrite

A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin.

erythroblast

a nucleated cell in bone marrow from which red blood cells develop.

Erythrochroism

An unusual redness, esp. in the plumage of birds, or hair of mammals, independently of age, sex, or season.

Erythrodextrin

A dextrin which gives a red color with iodine. See Dextrin.

Erythrogen

Carbon disulphide; -- so called from certain red compounds which it produces in combination with other substances. A substance reddened by acids, which is supposed to be contained in flowers. A crystalline substance obtained from diseased bile, which becomes blood-red when acted on by nitric acid or ammonia.

Erythrogranulose

A term applied by Br/cke to a substance present in small amount in starch granules, colored red by iodine.

Erythroid

Of a red color; reddish; as, the erythroid tunic (the cremaster muscle).

Erythroleic

Having a red color and oily appearance; -- applied to a purple semifluid substance said to be obtained from archil.

Erythronium

A name originally given (from its red acid) to the metal vanadium.

Erythrophleine

A white crystalline alkaloid, extracted from sassy bark (Erythrophleum Guineense).

Erythrosin

A red substance formed by the oxidation of tyrosin. A red dyestuff obtained from fluoresce/n by the action of iodine.

Erythroxylon

A genus of shrubs or small trees of the Flax family, growing in tropical countries. E. Coca is the source of cocaine. See Coca.

Erythrozyme

A ferment extracted from madder root, possessing the power of inducing alcoholic fermentation in solutions of sugar.

Es

the chemical symbol for einsteinium, a transuranic element with atomic number 99. The atomic weight of the longest-lived isotope, with a half-life of 276 days, is 254. The first isotope discovered, having atomic weight 253 and a half-life of 20 days, was recognized in 1952 in the debris from a hydrogen bomb test. As much as 3 micrograms of einsteinium were produced by a complex process involving long irradiation of plutonium isotopes in nuclear reactors. Its chemical properties are those of a trivalent actinide element.

Escalade

To mount and pass or enter by means of ladders; to scale; as, to escalate a wall.

Escalator

A stairway or incline arranged like an endless belt so that the steps or treads ascend or descend continuously, and one stepping upon it is carried up or down; -- originally a trade term, which has become the generic name for such devices. Such devices are in common use in large retail establishments such as department stores, and in public buildings having a heavy traffic of persons between adjacent floors.

Escalop

A bivalve shell of the genus Pecten. See Scallop.

Escaloped

Cut or marked in the form of an escalop; scalloped.

Escambio

A license formerly required for the making over a bill of exchange to another over sea.

Escapade

The fling of a horse, or ordinary kicking back of his heels; a gambol.

Escape

The act of fleeing from danger, of evading harm, or of avoiding notice; deliverance from injury or any evil; flight; as, an escape in battle; a narrow escape; also, the means of escape; as, a fire escape.

escape velocity

The minimum velocity at which an object must be moving in order for it to overcome the gravitational attraction of a massive celestial body, such as the earth or the sun, and escape beyond its gravitational field into free space. The velocity is calculated as though attained instantaneously at the surface of the celestial body, and is pointed directly away from its center, and neglecting effects of atmospheric friction. Rockets, which accelerate gradually and are moving rapidly at a high altitude when their fuel is exhausted or their engines shut off, may escape even if moving slightly slower at that point than the surface escape velocity. Compare orbital velocity.

escape wheel

The rotating wheel in an escapement mechanism which has notches that are periodically engaged and disengaged by the anchor.

escargot

any edible terrestrial snail prepared as food; as a dish, it is usually served in the shell with a sauce of melted butter and garlic.

escarole

a variety of endive (Cichorium endivia) often used in salads, having leaves with irregular frilled edges.

Escarp

To make into, or furnish with, a steep slope, like that of a scrap.

Escarpment

A steep descent or declivity; steep face or edge of a ridge; ground about a fortified place, cut away nearly vertically to prevent hostile approach. See Scarp.

Eschar

In Ireland, one of the continuous mounds or ridges of gravelly and sandy drift which extend for many miles over the surface of the country, deposited by streams in meltwater channels under glaciers. Similar ridges in Scotland are called kames or kams. The spelling form esker is now the most commonly used, and the term is applied in geology to similar ridges created by glaciers anywhere in the world. Eskers vary in size and extent, but can be 100 feet high and up to 100 miles long.

Eschara

A genus of Bryozoa which produce delicate corals, often incrusting like lichens, but sometimes branched.

Escharine

Like, or pertaining to, the genus Eschara, or family Escharid/.

Escharotic

A substance which produces an eschar; a caustic, esp., a mild caustic.

Eschatology

The doctrine of the last or final things, as death, judgment, and the events therewith connected.

Escheator

An officer whose duty it is to observe what escheats have taken place, and to take charge of them.

Eschevin

The alderman or chief officer of an ancient guild.

Eschew

To shun; to avoid, as something wrong, or from a feeling of distaste; to keep one's self clear of.

Eschscholtzia

A genus of papaveraceous plants, found in California and upon the west coast of North America, some species of which produce beautiful yellow, orange, rose-colored, or white flowers; the California poppy.

Eschynite

A rare mineral, containing chiefly niobium, titanium, thorium, and cerium. It was so called by Berzelius on account of the inability of chemical science, at the time of its discovery, to separate some of its constituents.

Escorial

A palace and mausoleum of the kings of Spain, being a vast and wonderful structure about twenty-five miles northwest of Madrid; called also escurial. It was erected in 1563-1584 and contains a monastery.

Escort

To attend with a view to guard and protect; to accompany as safeguard; to give honorable or ceremonious attendance to; -- used esp. with reference to journeys or excursions on land; as, to escort a public functionary, or a lady; to escort a baggage wagon.

Escot

To pay the reckoning for; to support; to maintain.

Escribed

Drawn outside of; -- used to designate a circle that touches one of the sides of a given triangle, and also the other two sides produced.

Escritoire

A piece of furniture used as a writing table, commonly with drawers, pigeonholes, and the like; a secretary or writing desk.

Escrow

A deed, bond, or other written engagement, delivered to a third person, to be held by him till some act is done or some condition is performed, and then to be by him delivered to the grantee.

Escuage

Service of the shield, a species of knight service by which a tenant was bound to follow his lord to war, at his own charge. It was afterward exchanged for a pecuniary satisfaction. Called also scutage.

Esculent

Anything that is fit for eating; that which may be safely eaten by man.

Esculic

Pertaining to, or obtained from, the horse-chestnut; as, esculic acid.

Esculin

A glucoside obtained from the /sculus hippocastanum, or horse-chestnut, and characterized by its fine blue fluorescent solutions.

Escutcheon

The surface, usually a shield, upon which bearings are marshaled and displayed. The surface of the escutcheon is called the field, the upper part is called the chief, and the lower part the base (see Chiff, and Field.). That side of the escutcheon which is on the right hand of the knight who bears the shield on his arm is called dexter, and the other side sinister.

Escutcheoned

Having an escutcheon; furnished with a coat of arms or ensign.

Ese

Ease; pleasure.

Esemplastic

Shaped into one; tending to, or formative into, unity.

Eserine

An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.

Eskimo

One of a peculiar race inhabiting Arctic America and Greenland. In many respects the Eskimos resemble the Mongolian race.

Esloin

To remove; to banish; to withdraw; to avoid; to eloign.

Esnecy

A prerogative given to the eldest coparcener to choose first after an inheritance is divided.

Esodic

Conveying impressions from the surface of the body to the spinal cord; -- said of certain nerves. Opposed to exodic.

Esophagotomy

The operation of making an incision into the esophagus, for the purpose of removing any foreign substance that obstructs the passage.

Esophagus

That part of the alimentary canal between the pharynx and the stomach; the gullet. See Illust. of Digestive apparatus, under Digestive.

Esoteric

An esoteric doctrine or treatise; esoteric philosophy; esoterics. One who believes, or is an initiate, in esoteric doctrines or rites.

Esoterics

Mysterious or hidden doctrines; secret science.

Esotery

Mystery; esoterics; -- opposed to exotery.

Esox

A genus of fresh-water fishes, including pike and pickerel.

Espadon

A long, heavy, two-handed and two-edged sword, formerly used by Spanish foot soldiers and by executioners.

espadrille

a sandal with a sole made of rope or rubber and a cloth upper part.

Espalier

To form an espalier of, or to protect by an espalier.

espanole

a rich beef stock with tomatoes and madeira and minced carrots and onions and celery.

Esparcet

The common sainfoin (Onobrychis sativa), an Old World leguminous forage plant.

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