. See Ethereal oil, under Ethereal.

(E*ther`i*fi*ca"tion) n. (Chem.) 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.

(E*ther"i*form) a. [Ether + form.] Having the form of ether.

(E"ther*in), n. (Chem.) 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.

(E`ther*i*za"tion) n. (Med.) (a) The administration of ether to produce insensibility. (b) The state of the system under the influence of ether.

(E"ther*ize) v. t. [imp. & p. p. Etherized ; p. pr. & vb. n. Etherizing ] [Cf. F. éthériser.]

1. To convert into ether.

2. To render insensible by means of ether, as by inhalation; as, to etherize a patient.

(E"ther*ol) n. [Ether + L. oleum oil.] (Chem.) An oily hydrocarbon regarded as a polymeric variety of ethylene, produced with etherin.

(Eth"ic Eth"ic*al) a. [L. ethicus, Gr. fr. custom, usage, character, dwelling; akin to custom, Goth. sidus, G. sitte, Skr. svadh, prob. orig., one's own doing; sva self + dh to set: cf. F. éthique. See So, Do.] 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.

The ethical meaning of the miracles.

Ethical dative(Gram.), a use of the dative of a pronoun to signify that the person or thing spoken of is regarded with interest by some one; as, Quid mihi Celsus agit? How does my friend Celsus do?

(Eth"ic*al*ly), adv. According to, in harmony with, moral principles or character.

(Eth"i*cist) n. One who is versed in ethics, or has written on ethics.

(Eth"ics) n. [Cf. F. éthique. See Ethic.] 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.

The completeness and consistency of its morality is the peculiar praise of the ethics which the Bible has taught.
I. Taylor.

(Eth"ide) n. (Chem.) Any compound of ethyl of a binary type; as, potassium ethide.

(Eth"i*dene) n. [From Ether.] (Chem.) Ethylidene. [Obs.]

(Eth"ine) n. (Chem.) Acetylene.

(Eth`i*on"ic) a. [Ethyl + thionic.] (Chem.) Pertaining to, derived from, or designating, an acid so called.

Ethionic acid(Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.

Ethereous oil

  By PanEris using Melati.

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