A gaseous hydrocarbon, C2H6, forming a constituent of ordinary illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol (ethyl alcohol), acetaldehyde, ether, and acetic acid. Called also dimethyl.

The organic compound C2H5.OH, the common alcohol which is the intoxicating agent in beer, wine, and other fermented and distilled liquors; called also ethyl alcohol. It is used pure or denatured as a solvent or in medicines and colognes and cleaning solutions, or mixed in gasoline as a fuel for automobiles, and as a rocket fuel (as in the V-2 rocket).

Easy.

Noble.

Ethylene; olefiant gas.

Pertaining to, derived from. or resembling, ethene or ethylene; as, ethenic ether.

A trivalent hydrocarbon radical, CH3.C. A univalent hydrocarbon radical of the ethylene series, CH2:CH; -- called also vinyl. See Vinyl.

Pertaining to, or like, the genus Etheostoma. Any fish of the genus Etheostoma and related genera, allied to the perches; -- also called darter. The etheostomoids are small and often bright-colored fishes inhabiting the fresh waters of North America. About seventy species are known, including the rare snail darter (Percina tanasi), 3 inches long, found only in the Tennessee River and classified as a threatened species. See Darter.

A medium of great elasticity and extreme tenuity, once supposed to pervade all space, the interior of solid bodies not excepted, and to be the medium of transmission of light and heat; hence often called luminiferous ether. It is no longer believed that such a medium is required for the transmission of electromagnetic waves; the modern use of the term is mostly a figurative term for empty space, or for literary effect, and not intended to imply the actual existence of a physical medium. However. modern cosmological theories based on quantum field theory do not rule out the possibility that the inherent energy of the vacuum is greater than zero, in which case the concept of an ether pervading the vacuum may have more than metaphoric meaning.

Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions.

Ethereality.

The state of being ethereal; etherealness.

An ethereal or spiritlike state.

To convert into ether, or into subtile fluid; to saturate with ether.

In an ethereal manner.

Ethereality.

Formed of ether; ethereal.

The act or process of making ether; specifically, the process by which a large quantity of alcohol is transformed into ether by the agency of a small amount of sulphuric, or ethyl sulphuric, acid.

Having the form of ether.

A white, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether; -- formerly called also concrete oil of wine.

The administration of ether to produce insensibility. The state of the system under the influence of ether.

To convert into ether.

An oily hydrocarbon regarded as a polymeric variety of ethylene, produced with etherin.

the principles of right and wrong that are accepted by an individual or a social group; as, the Puritan ethic.

Of, or belonging to, morals; treating of the moral feelings or duties; containing percepts of morality; moral; as, ethic discourses or epistles; an ethical system; ethical philosophy.

According to, in harmony with, moral principles or character.

One who is versed in ethics, or has written on ethics.

The science of human duty; the body of rules of duty drawn from this science; a particular system of principles and rules concerting duty, whether true or false; rules of practice in respect to a single class of human actions; as, political or social ethics; medical ethics.

Any compound of ethyl of a binary type; as, potassium ethide.

Ethylidene.

Acetylene.

Pertaining to, derived from, or designating, an acid so called.

A native or inhabitant of Ethiopia; also, in a general sense, a negro or black man.

The language of ancient Ethiopia; the language of the ancient Abyssinian empire (in Ethiopia), now used only in the Abyssinian church. It is of Semitic origin, and is also called Geez.

Of or relating to Ethiopia or the Ethiopians.

A black substance; -- formerly applied to various preparations of a black or very dark color.

The ethmoid bone.

Like a sieve; cribriform. Pertaining to, or in the region of, the ethmoid bone.

See Turbinal. An ethmoturbinal bone.

Pertaining to the region of the vomer and the base of the ethmoid in the skull.

The governor of a province or people.

The dominion of an ethnarch; principality and rule.

A heathen; a pagan.

Belonging to races or nations; based on distinctions of race; ethnological.

In an ethnical manner.

Heathenism; paganism; idolatry.

centered on a specific ethnic group, usually one's own; exhibiting ethnocentrism (in both senses).

belief in the superiority of one's own ethnic group.

One who investigates ethnography.

pertaining to ethnography.

In an ethnographical manner.

That branch of knowledge which has for its subject the characteristics of the human family, developing the details with which ethnology as a comparative science deals; descriptive ethnology. See Ethnology.

Of or pertaining to ethnology.

In an ethnological manner; by ethnological classification; as, one belonging ethnologically to an African race.

One versed in ethnology; a student of ethnology.

The science which treats of the division of mankind into races, their origin, distribution, and relations, and the peculiarities which characterize them.

treating of, or pertaining to, ethnic or morality, or the science of character.

One who studies or writes upon ethology.

A treatise on morality; ethics.

The character, sentiment, or disposition of a community or people, considered as a natural endowment; the spirit which actuates manners and customs; also, the characteristic tone or genius of an institution or social organization.

the organic compound C2H5.OH, which is the intoxicating agent in beer, wine, and other fermented and distilled liquors; it is used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel.

A colorless, mobile, inflammable liquid, C2H5.NH2, very volatile and with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine, and amido ethane.

To treat in such a way as to cause the introduction of one or more ethyl groups, C2H5-; as, to ethylate alcohol.

A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen.

Any one of the several complex ethers of ethyl and glycerin.

Pertaining to, or containing, ethyl and sulphuric acid.

To blanch; to bleach; to whiten by depriving of the sun's rays.

Having a blanched or faded appearance, as birds inhabiting desert regions.

The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.

A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll.

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

The science of causes. Same as /tiology.

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.

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

Pertaining to Etna, a volcanic mountain in Sicily.

See Estoile.

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

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

The stingfish, or lesser weever (Tranchinus vipera).

A giant.

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

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

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.

See /tui.

See Etymon.

Relating to the etymon; as, an etymic word.

An etymologist.

Pertaining to etymology, or the derivation of words.

An etymological dictionary or manual.

One who investigates the derivation of words.

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

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

An original form; primitive word; root.

Diverging from, or lacking conformity to, a type.

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

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.

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

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.

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

a tree of the genus Eucalyptus.

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.

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.

quandong trees.

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.

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

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

The act of giving thanks; thanksgiving.

Giving thanks; expressing thankfulness; rejoicing.

One who resolves religion into prayer.

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

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.

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

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

Having a fine color.

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

A substance obtained from euchroic acid. See Eychroic.

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

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

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