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Olefiant gas or ethylene; -- so called by Berzelius from its forming an oil combining with chlorine. [Written also elayle.] See Ethylene.

The quality of being eligible; eligibleness; as, the eligibility of a candidate; the eligibility of an offer of marriage.

In a tolerable degree; -- used to express mere acceptableness or acquiescence, and implying a degree or quantity rather less than is desired; as, the song was well enough.

Integrity; wholeness of heart; honesty. [R.] Entireness in preaching the gospel. Udall.

e person from whom any race, city, etc., took its name; as, Hellen is an eponym of the Hellenes.

Ethylene; olefiant gas.

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

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

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.

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

Acetylene.

An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.

Paleness produced by absence of light, or by disease. Dunglison.

Nobleness of birth. [Obs.]

session. Gen xvii. 8. And heard thy everlasting yawn confess The pains and penalties of idleness. Pope.

The condition or quality of being evil; badness; viciousness; malignity; vileness; as, evilness of heart; the evilness of sin.

cusable; an excusable action. -- Ex*cus"a*ble*ness, n. -- Ex*cus"a*bly, adv. The excusableness of my dissatisfaction. Boyle.

The quality of being expedient or advantageous; fitness or suitableness to effect a purpose intended; adaptedness to self- interest; desirableness; advantage; advisability; -- sometimes contradistinguished from moral rectitude. Divine wisdom discovers no expediency in vice. Cogan. To determine concerning the expedience…

Feebleness, as of color or light; lack of distinctness; as, faintness of description.

Hesitation; trembling; feebleness; an uncertain or broken sound; as, a slight falter in her voice. The falter of an idle shepherd's pipe. Lowell.