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Etiological

Pertaining to, or inquiring into, causes; /tiological.

Etiology

The science of causes. Same as /tiology.

Etiquette

The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.

Etna

A kind of small, portable, cooking apparatus for which heat is furnished by a spirit lamp.

Etnean

Pertaining to Etna, a volcanic mountain in Sicily.

Etrurian

Of or relating to ancient Etruria, in Italy. A native or inhabitant of ancient Etruria.

Etruscan

Of or relating to Etruria. A native or inhabitant of Etruria.

Etter pike

The stingfish, or lesser weever (Tranchinus vipera).

Ettle

To earn. [Obs.] See Addle, to earn.

etude

A composition in the fine arts which is intended, or may serve, for a study.

etui

A case for one or several small articles; esp., a box in which scissors, tweezers, and other articles of toilet or of daily use are carried.

Etymic

Relating to the etymon; as, an etymic word.

Etymological

Pertaining to etymology, or the derivation of words.

Etymologist

One who investigates the derivation of words.

Etymologize

To search into the origin of words; to deduce words from their simple roots.

Etymology

That branch of philological science which treats of the history of words, tracing out their origin, primitive significance, and changes of form and meaning.

Etymon

An original form; primitive word; root.

Etypical

Diverging from, or lacking conformity to, a type.

Eu

the chemical symbol for Europium, an element with atomic number 63 and atomic weight 151.96.

Eubacteriales

one of two usually recognized orders of true bacteria; gram-positive spherical or rod-shaped forms; some are motile; in some classifications it is considered an order of Schizomycetes.

Eubryales

an order of mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules.

Eucairite

A metallic mineral, a selenide of copper and silver; -- so called by Berzelius on account of its being found soon after the discovery of the metal selenium.

Eucalyn

An unfermentable sugar, obtained as an uncrystallizable sirup by the decomposition of melitose; also obtained from a Tasmanian eucalyptus, -- whence its name.

eucalyptol

A volatile, terpenelike oil (C10H18O), which is the main constituent of the oil of eucalyptus. It has cockroach repellent activity and is used as a flavoring aid in pharmaceuticals. Chemically it is 1,3,3-trimethyl-2-oxabicyclo-[2,2,2]-octane.

Eucalyptus

A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia.

eucaryote

an organism with "good" or membrane-bound nuclei having multiple chromosomes; eucaryotes also have other membrane-bound organelles such as mitochondria or chloroplasts, within the cytoplasm enclosed by the outer membrane. Such cells are characteristic of all life forms except primitive microorganisms such as bacteria and blue-green algae. Contrasted with prokaryote.

eucaryotic

of or pertaining to eukaryotes; same as eukaryotic. Contrasted with prokaryotic.

Eucharis

A genus of South American amaryllidaceous plants with large and beautiful white blossoms.

Eucharist

The act of giving thanks; thanksgiving.

Euchite

One who resolves religion into prayer.

Euchloric

Relating to, or consisting of, euchlorine; as, euchloric gas.

Euchlorine

A yellow or greenish yellow gas, first prepared by Davy, evolved from potassium chlorate and hydrochloric acid. It is supposed to consist of chlorine tetroxide with some free chlorine.

Euchology Euchologion

A formulary of prayers; the book of offices in the Greek Church, containing the liturgy, sacraments, and forms of prayers.

Euchre

To defeat, in a game of euchre, the side that named the trump.

Euchroite

A mineral occurring in transparent emerald green crystals. It is hydrous arseniate of copper.

Euchrone

A substance obtained from euchroic acid. See Eychroic.

Euchymy

A good state of the blood and other fluids of the body.

Euclase

A brittle gem occurring in light green, transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of alumina and glucina.

Euclid

A Greek geometer of the 3d century b. c.; also, his treatise on geometry, and hence, the principles of geometry, in general.

Euclidian

Related to Euclid, or to the geometry of Euclid.

Eucopepoda

A group which includes the typical copepods and the lerneans.

Eudaemonics Eudemonics

That part of moral philosophy which treats of happiness; the science of happiness; -- contrasted with aretaics.

Eudaemonism Eudemonism

That system of ethics which defines and enforces moral obligation by its relation to happiness or personal well-being.

Eudialyte

A mineral of a brownish red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime.

Eudiometer

An instrument for the volumetric measurement of gases; -- so named because frequently used to determine the purity of the air.

Eudiometry

The art or process of determining the constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of oxygen in it.

Eudipleura

The fundamental forms of organic life, that are composed of two equal and symmetrical halves.

Eudoxian

A follower of Eudoxius, patriarch of Antioch and Constantinople in the 4th century, and a celebrated defender of the doctrines of Arius.

Euganoidei

A group which includes the bony ganoids, as the gar pikes.

Eugenesis

The quality or condition of having strong reproductive powers; generation with full fertility between different species or races, specif. between hybrids of the first generation.

Eugenia

A genus of myrtaceous plants, mostly of tropical countries, and including several aromatic trees and shrubs, among which are the trees which produce allspice and cloves of commerce.

Eugenics

The science of improving stock, whether human or animal.

Eugenin

A colorless, crystalline substance extracted from oil of cloves; -- called also clove camphor.

Eugenol

A colorless, aromatic, liquid hydrocarbon, C10H12O2 resembling the phenols, and hence also called eugenic acid. It is found in the oils of pimento and cloves.

Eugubine Eugubian

Of or pertaining to the ancient town of Eugubium (now Gubbio); as, the Eugubine tablets, or tables, or inscriptions.

Euharmonic

Producing mathematically perfect harmony or concord; sweetly or perfectly harmonious.

Euhemerism

The theory, held by Euhemerus, that the gods of mythology were but deified mortals, and their deeds only the amplification in imagination of human acts.

Euhemerize

To interpret (mythology) on the theory of euhemerism.

eukaryote

an organism with "good" or membrane-bound nuclei having multiple chromosomes; eucaryotes also have other membrane-bound organelles such as mitochondria or chloroplasts, within the cytoplasm enclosed by the outer membrane. Such cells are characteristic of all life forms except primitive microorganisms such as bacteria and blue-green algae. Contrasted with prokaryote.

eukaryotic

having cells with visible nuclei surrounded by a nuclear membrane; pertaining to eukaryotes. Contrasted with prokaryotic.

Eulachon

The candlefish. [Written also oulachan, oolacan, and ulikon.] See Candlefish.

Eulerian

Pertaining to Euler, a German mathematician of the 18th century.

Eulogist

One who eulogizes or praises; panegyrist; encomiast.

Eulogistical Eulogistic

Of or pertaining to eulogy; characterized by eulogy; bestowing praise; panegyrical; commendatory; laudatory; as, eulogistic speech or discourse.

Eulogize

To speak or write in commendation of (another); to extol in speech or writing; to praise.

Eulogy

A speech or writing in commendation of the character or services of a person; as, a fitting eulogy to worth.

Eulytite

A mineral, consisting chiefly of the silicate of bismuth, found at Freiberg; -- called also culytine.

Eumenides

A euphemistic name for the Furies of Erinyes.

Eumolpus

A genus of small beetles, one species of which (E. viti) is very injurious to the vines in the wine countries of Europe.

Eumops

one of the genera of mastiff bats, of the family Molossidae.

Eumycetes

a class used in some classifications, which is coextensive with the division Eumycota.

Eumycota

a division consisting of the true fungi, eukaryotic heterotrophic walled organisms distinguished from the Myxomycota (funguslike slime molds). It comprises subdivisions Mastigomycotina; Zygomycotina; Ascomycotina; Basidiomycotina; Deuteromycotina (imperfect fungi).

Eunectes

a genus of boas consisting of anacondas, large South American snakes that may grow to 25 feet.

Eunomian

A follower of Eunomius, bishop of Cyzicus (4th century A. D.), who held that Christ was not God but a created being, having a nature different from that of the Father. Of or pertaining to Eunomius or his doctrine.

Eunomy

Equal law, or a well-adjusted constitution of government.

Eunuch

A male of the human species castrated; commonly, one of a class of such persons, in Oriental countries, having charge of the women's apartments. Some of them, in former times, gained high official rank.

Euonymin

A principle or mixture of principles derived from Euonymus atropurpureus, or spindle tree.

Euonymus

A genus of small European and American trees; the spindle tree. The bark is used as a cathartic.

Euornithes

The division of Aves which includes all the typical birds, or all living birds except the penguins and birds of ostrichlike form.

Euosmitte

A fossil resin, so called from its strong, peculiar, pleasant odor.

Eupatorin Eupatorine

A principle or mixture of principles extracted from various species of Eupatorium.

Eupatorium

A genus of perennial, composite herbs including hemp agrimony, boneset, throughwort, etc.

Eupatrid

One well born, or of noble birth.

Eupepsy Eupepsia

Soundness of the nutritive or digestive organs; good concoction or digestion; -- opposed to dyspepsia.

Eupeptic

Of or pertaining to good digestion; easy of digestion; having a good digestion; as, eupeptic food; an eupeptic man.

Euphausiacea

an order of small, commonly luminescent crustaceans: krill.

Euphemism

A figure in which a harsh or indelicate word or expression is softened; a way of describing an offensive thing by an inoffensive expression; a mild name for something disagreeable.

Euphemize

To express by a euphemism, or in delicate language; to make use of euphemistic expressions.

Euphoniad

An instrument in which are combined the characteristic tones of the organ and various other instruments.

Euphonical Euphonic

Pertaining to, or exhibiting, euphony; agreeable in sound; pleasing to the ear; euphonious; as, a euphonic expression; euphonical orthography.

Euphonious

Pleasing or sweet in sound; euphonic; smooth-sounding.

Euphonism

An agreeable combination of sounds; euphony.

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