‖n. (Zool.) A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks. [ 1913 Webster ]

n. [ See Acetic. ] (Chem.) A volatile liquid (CH3.CO.CH3); pyroacetic spirit; methyl ketone; -- obtained by fermentation, the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime. It is commonly used as a solvent. [ 1913 Webster +PJC ]

☞ The term was once also applied to a number of bodies of similar constitution, more frequently called ketones. See Ketone. [ 1913 Webster +PJC ]

n. [ Acetic + phenyl + one. ] (Chem.) A crystalline ketone, CH3.CO.C6H5, which may be obtained by the dry distillation of a mixture of the calcium salts of acetic and benzoic acids. It is used as a hypnotic under the name of hypnone. [ Webster 1913 Suppl. ]

n. [ Gr. &unr_;, &unr_;, ray + &unr_; voice. ] (Physics) An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays. [ Webster 1913 Suppl. ]

n. 1. a steroid having androgenic activity; obtained from the cortex of the adrenal gland. [ WordNet 1.5 ]

n. [ Aëro- + Gr. &unr_; voice. ] (a) A form of combined speaking and ear trumpet. (b) An instrument, proposed by Edison, for greatly intensifying speech. It consists of a phonograph diaphragm so arranged that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration. [ Webster 1913 Suppl. ]

a. & adv. Ago. [ Archaic & Poet. ] [ 1913 Webster ]

Three days agone I fell sick. 1 Sam. xxx. 13. [ 1913 Webster ]

n. [ See Agonic. ] Agonic line. [ 1913 Webster ]

n. [ For nachebone. For loss of n, cf. Adder. See Natch. ] The bone of the rump; also, the cut of beef surrounding this bone. [ Spelt also edgebone. ] [ 1913 Webster ]

n. [ Gr. &unr_; flour. ] (Bot.) An albuminoid substance which occurs in minute grains (“protein granules”) in maturing seeds and tubers; -- supposed to be a modification of protoplasm. [ 1913 Webster ]

‖n. (Zool.) An edible marine fish of California (Rhacochilus toxotes). [ 1913 Webster ]

n. any one of two or more speech sounds that considered variants of the same phoneme. For example, the p sounds of pin and spin are allophones of p; and the t sounds of toe stop and catnip are allophones of t. [ PJC ]

a. [ All + one. OE. al one all allone, AS. ān one, alone. See All, One, Lone. ] 1. Quite by one's self; apart from, or exclusive of, others; single; solitary; -- applied to a person or thing. [ 1913 Webster ]

Alone on a wide, wide sea. Coleridge. [ 1913 Webster ]

It is not good that the man should be alone. Gen. ii. 18. [ 1913 Webster ]

2. Of or by itself; by themselves; without any thing more or any one else; without a sharer; only. [ 1913 Webster ]

Man shall not live by bread alone. Luke iv. 4. [ 1913 Webster ]

The citizens alone should be at the expense. Franklin. [ 1913 Webster ]

3. Sole; only; exclusive. [ R. ] [ 1913 Webster ]

God, by whose alone power and conversation we all live, and move, and have our being. Bentley. [ 1913 Webster ]

4. Hence; Unique; rare; matchless. Shak. [ 1913 Webster ]

☞ The adjective alone commonly follows its noun. [ 1913 Webster ]

To let alone or
To leave alone, to abstain from interfering with or molesting; to suffer to remain in its present state. [ 1913 Webster ]

adv. Solely; simply; exclusively. [ 1913 Webster ]

(Min.) A subsulphate of alumina and potash; alunite. [ 1913 Webster ]

{ } n. [ Named from the river Amazon. ] (Min.) A variety of feldspar, having a verdigris-green color. [ 1913 Webster ]

n. [ Gr. &unr_; + E. peptone. ] (Physiol.) A product of gastric digestion, a mixture of hemipeptone and antipeptone. [ 1913 Webster ]

{ } n. [ See Ancon, above. ] (Arch.) (a) The corner or quoin of a wall, cross-beam, or rafter. [ Obs. ] Gwilt. (b) A bracket supporting a cornice; a console. [ 1913 Webster ]

n. [ L. anemone, Gr. &unr_;, fr. &unr_; wind. ] 1. (Bot.) A genus of plants of the Ranunculus or Crowfoot family; windflower. Some of the species are cultivated in gardens. [ 1913 Webster ]

2. (Zool.) The sea anemone. See Actinia, and Sea anemone. [ 1913 Webster ]

☞ This word is sometimes pronounced especially by classical scholars. [ 1913 Webster ]

v. t. [ L. anteponere. ] To put before; to prefer. [ Obs. ] Bailey. [ 1913 Webster ]

n. [ Anthracene + quinone. ] (Chem.) A hydrocarbon, C6H4.C2O2.C6H4, subliming in shining yellow needles. It is obtained by oxidation of anthracene. [ 1913 Webster ]

n. (Meteorol.) A movement of the atmosphere opposite in character, as regards direction of the wind and distribution of barometric pressure, to that of a cyclone. -- An`ti*cy*clon"ic a. -- An`ti*cy*clon"ic*al*ly adv. [ 1913 Webster ]

n. (Physiol. Chem.) A product of gastric and pancreatic digestion, differing from hemipeptone in not being decomposed by the continued action of pancreatic juice. [ 1913 Webster ]

n. (Mus.) The response which one side of the choir makes to the other in a chant; alternate chanting or signing. [ 1913 Webster ]

n. [ Pref. anti- + ozone. ] (Chem.) A compound formerly supposed to be modification of oxygen, but now known to be hydrogen dioxide; -- so called because apparently antagonistic to ozone, converting it into ordinary oxygen. [ 1913 Webster ]

n. One taken at random rather than by selection; anybody. [ Commonly written as two words. ] [ 1913 Webster ]

A wedge-shaped stone used in an arch; a voussoir. [ 1913 Webster ]

n. [ L. asarum hazelwort, wild spikenard, Gr. 'a`saron ] (Chem.) A crystallized substance, resembling camphor, obtained from the Asarum Europæum; -- called also camphor of asarum. [ 1913 Webster ]

{ } v. t. [ imp. & p. p. Astoned, Astond, or Astound. ] [ See Astonish. ] To stun; to astonish; to stupefy. [ Obs. ] Chaucer. [ 1913 Webster ]

v. i. [ imp. & p. p. Atoned p. pr. & vb. n. Atoning. ] [ From at one, i. e., to be, or cause to be, at one. See At one. ] 1. To agree; to be in accordance; to accord. [ Obs. ] [ 1913 Webster ]

He and Aufidius can no more atone
Than violentest contrariety. Shak. [ 1913 Webster ]

2. To stand as an equivalent; to make reparation, compensation, or amends, for an offense or a crime. [ 1913 Webster ]

The murderer fell, and blood atoned for blood. Pope. [ 1913 Webster ]

The ministry not atoning for their former conduct by any wise or popular measure. Junius. [ 1913 Webster ]

v. t. 1. To set at one; to reduce to concord; to reconcile, as parties at variance; to appease. [ Obs. ] [ 1913 Webster ]

I would do much
To atone them, for the love I bear to Cassio. Shak. [ 1913 Webster ]

2. To unite in making. [ Obs. & R. ] [ 1913 Webster ]

The four elements . . . have atoned
A noble league. Ford. [ 1913 Webster ]

3. To make satisfaction for; to expiate. [ 1913 Webster ]

Or each atone his guilty love with life. Pope. [ 1913 Webster ]

[ OE. at on, atone, atoon, attone. ] 1. In concord or friendship; in agreement (with each other); as, to be, bring, make, or set, at one, i. e., to be or bring in or to a state of agreement or reconciliation. [ 1913 Webster ]

If gentil men, or othere of hir contree
Were wrothe, she wolde bringen hem atoon. Chaucer. [ 1913 Webster ]

2. Of the same opinion; agreed; as, on these points we are at one. [ 1913 Webster ]

3. Together. [ Obs. ] Spenser. [ 1913 Webster ]

adv. See At one. [ Obs. ] [ 1913 Webster ]

n. [ L. audire to hear + Gr. &unr_; sound. ] An instrument which, placed against the teeth, conveys sound to the auditory nerve and enables the deaf to hear more or less distinctly; a dentiphone. [ 1913 Webster ]

n. [ Gr. &unr_; that may be increased + &unr_; sound, voice. ] A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary vibrating disk reproducer. [ obsolescent ] [ Webster 1913 Suppl. ]

n. (Min.) A variety of jade. It is used by some savages, particularly the natives of the South Sea Islands, for making axes or hatchets. [ 1913 Webster ]

n. [ 2d back, n. + bone. ] [ 1913 Webster ]

1. The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column. [ 1913 Webster ]

2. Anything like , or serving the purpose of, a backbone. [ 1913 Webster ]

The lofty mountains on the north side compose the granitic axis, or backbone of the country. Darwin. [ 1913 Webster ]

We have now come to the backbone of our subject. Earle. [ 1913 Webster ]

3. Firmness; moral principle; steadfastness. [ 1913 Webster ]

Shelley's thought never had any backbone. Shairp. [ 1913 Webster ]

To the backbone, through and through; thoroughly; entirely. “Staunch to the backbone.” Lord Lytton. [ 1913 Webster ]

n. A very lean person; one whose bones show through the skin. Shak. [ 1913 Webster ]

a. & n. See Barytone. [ 1913 Webster ]

{ } a. [ Gr. bary`tonos; bary`s heavy + to`nos tone. ] 1. (Mus.) Grave and deep, as a kind of male voice. [ 1913 Webster ]

2. (Greek Gram.) Not marked with an accent on the last syllable, the grave accent being understood. [ 1913 Webster ]

{ }, n. [ F. baryton: cf. It. baritono. ] 1. (Mus.) (a) A male voice, the compass of which partakes of the common bass and the tenor, but which does not descend as low as the one, nor rise as high as the other. (b) A person having a voice of such range. (c) The viola di gamba, now entirely disused. [ 1913 Webster ]

2. (Greek Gram.) A word which has no accent marked on the last syllable, the grave accent being understood. [ 1913 Webster ]

interj. [ Be, v. i. + gone, p. p. ] Go away; depart; get you gone. [ 1913 Webster ]

p. p. [ OE. begon, AS. bigān; pref. be- + gān to go. ] Surrounded; furnished; beset; environed (as in woe-begone). [ Obs. ] Gower. Chaucer. [ 1913 Webster ]

n. [ F. belle et bonne, beautiful and good. ] A woman excelling both in beauty and goodness; a fair maid. [ Obs. ] Spenser. [ 1913 Webster ]

n. [ Bile + stone. ] A gallstone, or biliary calculus. See Biliary. E. Darwin. [ 1913 Webster ]

n. [ Gr. bi`os life + photo + fwnh` sound, voice. ] An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds; -- an archaic term replaced by movie projector. [ archaic ] [ Webster 1913 Suppl. ]

n. The scapula. See Blade, 4. [ 1913 Webster ]

n. (Min.) (a) A green siliceous stone sprinkled with red jasper, as if with blood; hence the name; -- called also heliotrope. (b) Hematite, an ore of iron yielding a blood red powder or “streak.” [ 1913 Webster ]

n. 1. Blue vitriol. Dunglison. [ 1913 Webster ]

2. A grayish blue building stone, as that commonly used in the eastern United States. [ 1913 Webster ]

n. [ Bond, n.+ stone. ] (Masonry) A stone running through a wall from one face to another, to bind it together; a binding stone. [ 1913 Webster ]