*eton*

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 ]

a. Of or pertaining to acetone; as, acetonic bodies. [ 1913 Webster ]

‖n. [ NL. See acetone; Urine. ] (Med.) Excess of ketone bodies (including acetone, acetoacetic acid and beta-hydroxybutyric acid) in the urine, as in starvation or diabetes
Syn. --ketonuria [ AS ]

n. [ Obs. ] See Acton. [ 1913 Webster ]

n. [ L., fr. Gr. &unr_;, fr. &unr_; unconnected; 'a priv. + &unr_; bound together, fr. &unr_;; &unr_; with + &unr_; to bind. ] (Rhet.) A figure which omits the connective; as, I came, I saw, I conquered. It stands opposed to polysyndeton. [ 1913 Webster ]

‖n. [ F. béton, fr. L. bitumen bitumen. ] (Masonry) The French name for concrete; hence, concrete made after the French fashion. [ 1913 Webster ]

v. t. To attack with the tongue; to abuse; to insult. [ 1913 Webster ]

n.; pl. Betonies [ OE. betony, betany, F. betoine, fr. L. betonica, vettonica. ] (Bot.) A plant of the genus Betonica (Linn.). [ 1913 Webster ]

☞ The purple or wood betony (Betonica officinalis, Linn.) is common in Europe, being formerly used in medicine, and (according to Loudon) in dyeing wool a yellow color. [ 1913 Webster ]

n. The supposed faculty of perceiving subterraneous springs and currents by sensation; -- so called from one Bleton, of France. [ 1913 Webster ]

a. [ F. breton. ] Of or relating to Brittany, or Bretagne, in France. -- n. A native or inhabitant of Brittany, or Bretagne, in France; also, the ancient language of Brittany; Armorican. [ 1913 Webster ]

n. [ F., gr. Creton, its first manufacturer. ] 1. A strong white fabric with warp of hemp and weft of flax. [ 1913 Webster ]

2. A fabric with cotton warp and woolen weft. [ 1913 Webster ]

3. A kind of chintz with a glossy surface. [ 1913 Webster ]

n. (Cell Biology) An arrangement of microtubules, microfilaments, and larger filaments within a cell serving to provide structural support of components of the cell, and to transport components from one part of the cell to another; the filaments are composed of protein and form a latticelike arrangement which may change rapidly with time. [ PJC ]

n. [ Derm + skeleton. ] (Anat.) See Exoskeleton. [ 1913 Webster ]

v. i. [ imp. & p. p. Detonated p. pr. & vb. n. Detonating ] [ L. detonare, v. i., to thunder down; de + tonare to thunder; akin to E. thunder. See Thunder, and cf. Detonize. ] To explode with a sudden report; as, niter detonates with sulphur. [ 1913 Webster ]

v. t. To cause to explode; to cause to burn or inflame with a sudden report. [ 1913 Webster ]

a. & n. from Detonate. [ 1913 Webster ]

Detonating gas, a mixture of two volumes of hydrogen with one volume of oxygen, which explodes with a loud report upon ignition. --
Detonating powder, any powder or solid substance, as fulminate of mercury, which when struck, explodes with violence and a loud report. --
Detonating primer, a primer exploded by a fuse; -- used to explode gun cotton in blasting operations. --
Detonating tube, a strong tube of glass, usually graduated, closed at one end, and furnished with two wires passing through its sides at opposite points, and nearly meeting, for the purpose of exploding gaseous mixtures by an electric spark, as in gas analysis, etc. [ 1913 Webster ]

n. [ Cf. F. détonation. ] An explosion or sudden report made by the instantaneous decomposition or combustion of unstable substances; as, the detonation of gun cotton. [ 1913 Webster ]

n. One that detonates; specif.: (a) An explosive whose action is practically instantaneous. (b) Something used to detonate a charge, as a detonating fuse. (c) A case containing detonating powder, the explosion of which serves as a signal, as on railroads. (d) A gun fired by a percussion cap. [ Obs. ] [ Webster 1913 Suppl. ]

n. The act of detonizing; detonation. [ 1913 Webster ]

v. t. & i. [ See Detonate. ] [ imp. & p. p.Detonized p. pr. & vb. n. Detonizing. ] To explode, or cause to explode; to burn with an explosion; to detonate. [ 1913 Webster ]

n. [ Endo- + skeleton. ] (Anat.) The bony, cartilaginous, or other internal framework of an animal, as distinguished from the exoskeleton. [ 1913 Webster ]

n. [ Exo- + skeleton ] (Anat.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc., as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton. [ 1913 Webster ]

‖n. [ F., from feulle leaf. ] A part of a French newspaper (usually the bottom of the page), devoted to light literature, criticism, etc.; also, the article or tale itself, thus printed. [ 1913 Webster ]

n. Same as Acton. [ Obs. ] [ 1913 Webster ]

n. Same as Acton. [ Obs. ] [ 1913 Webster ]

n. [ Cf. Acetone. ] (Chem.) One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor. [ 1913 Webster ]

☞ The ketones are named by adding the suffix-one to the stems of the organic acids from which they are respectively derived; thus, acetic acid gives acetone; butyric acid, butyrone, etc. [ 1913 Webster ]

a. (Chem.) Pertaining to, or derived from, a ketone; as, a ketonic acid. [ 1913 Webster ]

n. A unit of magnetic moment for a subatomic particle, atom, or molecule. [ WordNet 1.5 ]

n. [ Pref. met- + acetone. ] (Chem.) A colorless liquid of an agreeable odor, C6H10O, obtained by distilling a mixture of sugar and lime; -- so called because formerly regarded as a polymeric modification of acetone. [ 1913 Webster ]

a. [ Cf. F. métonique. ] Pertaining to, or discovered by, Meton, the Athenian. [ 1913 Webster ]

Metonic year or
Metonic cycle. (Astron.) See under Cycle. [ 1913 Webster ]

{ } a. [ See Metonymy. ] Used by way of metonymy; using the name of one thing for that of another with which it is closely associated. -- Met`o*nym"ic*al*ly, adv. [1913 Webster]

n. [ L. metonymia, Gr. metwnymi`a; meta`, indicating change + 'o`nyma , for 'o`noma a name: cf. F. métonymie. See Name. ] (Rhet.) A trope in which one word is put for another that suggests it; as, we say, a man keeps a good table instead of good provisions; we read Virgil, that is, his poems; a man has a warm heart, that is, warm affections; a city dweller has no wheels, that is, no automobile. [ 1913 Webster ]

n. (Eccl. Hist.) One of an extinct sect, named after Ludovic Muggleton, an English journeyman tailor, who (about 1657) claimed to be inspired. Eadie. [ 1913 Webster ]

n. [ Neuro- + skeleton. ] (Anat.) The deep-seated parts of the vertebrate skeleton which are in relation with the nervous axis and locomotion. Owen. [ 1913 Webster ]

n. (Metal.) See Packfong. [ 1913 Webster ]

n. [ F. phaéton a kind of carriage, fr. Phaéthon Phaëthon, the son of Helios. See Phaëthon. ] 1. A four-wheeled carriage (with or without a top), open, or having no side pieces, in front of the seat. It is drawn by one or two horses. [ 1913 Webster ]

2. See Phaëthon. [ 1913 Webster ]

3. (Zool.) A handsome American butterfly (Euphydryas Phaëton syn. Melitæa Phaëton). The upper side of the wings is black, with orange-red spots and marginal crescents, and several rows of cream-colored spots; -- called also Baltimore. [ 1913 Webster ]

n. [ Pneumo- + skeleton. ] (Zool.) A chitinous structure which supports the gill in some invertebrates. [ 1913 Webster ]

‖n. [ NL., from Gr. poly`s many + &unr_; bound together, fr. &unr_; to bind together; &unr_; with + &unr_; to bind. ] (Rhet.) A figure by which the conjunction is often repeated, as in the sentence, “We have ships and men and money and stores.” Opposed to asyndeton. [ 1913 Webster ]

n. [ See Puppet. ] A puppet, or little baby. [ Obs. ] Palsgrave. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + E. skeleton. ] (Anat.) That part of the skeleton which is developed in tendons, ligaments, and aponeuroses. [ 1913 Webster ]

n. [ F. séton (cf. It. setone), from L. seta a thick, stiff hair, a bristle. ] (Med. & Far.) A few silk threads or horsehairs, or a strip of linen or the like, introduced beneath the skin by a knife or needle, so as to form an issue; also, the issue so formed. [ 1913 Webster ]

n. [ Cf. F. simplet, It. semplicione. ] A person of weak intellect; a silly person. [ 1913 Webster ]

n. In certain games at cards, as whist, a single card of any suit held at the deal by a player; as, to lead a singleton. [ 1913 Webster ]

n. [ NL., fr. Gr. &unr_;&unr_;&unr_;&unr_; (sc. &unr_;&unr_;&unr_;) a dried body, a mummy, fr. &unr_;&unr_;&unr_;&unr_; dried up, parched, &unr_;&unr_;&unr_;&unr_; to dry, dry up, parch. ] 1. (Anat.) (a) The bony and cartilaginous framework which supports the soft parts of a vertebrate animal. [ See Illust. of the Human Skeleton, in Appendix. ] (b) The more or less firm or hardened framework of an invertebrate animal. [ 1913 Webster ]

☞ In a wider sense, the skeleton includes the whole connective-tissue framework with the integument and its appendages. See Endoskeleton, and Exoskeleton. [ 1913 Webster ]

2. Hence, figuratively: (a) A very thin or lean person. (b) The framework of anything; the principal parts that support the rest, but without the appendages. [ 1913 Webster ]

The great skeleton of the world. Sir M. Hale. [ 1913 Webster ]

(c) The heads and outline of a literary production, especially of a sermon. [ 1913 Webster ]

a. Consisting of, or resembling, a skeleton; consisting merely of the framework or outlines; having only certain leading features of anything; as, a skeleton sermon; a skeleton crystal. [ 1913 Webster ]

Skeleton bill, a bill or draft made out in blank as to the amount or payee, but signed by the acceptor. [ Eng. ] --
Skeleton key, a key with nearly the whole substance of the web filed away, to adapt it to avoid the wards of a lock; a master key; -- used for opening locks to which it has not been especially fitted. --
Skeleton leaf, a leaf from which the pulpy part has been removed by chemical means, the fibrous part alone remaining. --
Skeleton proof, a proof of a print or engraving, with the inscription outlined in hair strokes only, such proofs being taken before the engraving is finished. --
Skeleton regiment, a regiment which has its complement of officers, but in which there are few enlisted men. --
Skeleton shrimp (Zool.), a small crustacean of the genus Caprella. See Illust. under Laemodipoda. [ 1913 Webster ]

v. t. [ imp. & p. p. Skeletonized p. pr. & vb. n. Skeletonizing ] To prepare a skeleton of; also, to reduce, as a leaf, to its skeleton. Pop. Sci. Monthly. [ 1913 Webster ]

n. (Zool.) Any small moth whose larva eats the parenchyma of leaves, leaving the skeleton; as, the apple-leaf skeletonizer. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_;&unr_; an entrail + E. skeleton. ] (Anat.) That part of the skeleton connected with the sense organs and the viscera. Owen. [ 1913 Webster ]