n. [ Accelerate + -meter. ] An apparatus for measuring the velocity imparted by gunpowder. [ 1913 Webster ]

n. [ L. acetum vinegar + -meter: cf. F. acétimètre. ] An instrument for estimating the amount of acetic acid in vinegar or in any liquid containing acetic acid. [ 1913 Webster ]

n. The act or method of ascertaining the strength of vinegar, or the proportion of acetic acid contained in it. Ure. [ 1913 Webster ]

n. Same as Acetimeter. Brande & C. [ 1913 Webster ]

n. [ L. acidus acid + -meter. ] (Chem.) An instrument for ascertaining the strength of acids. Ure. [ 1913 Webster ]

n. [ L. acidus acid + -metry. ] (Chem.) The measurement of the strength of acids, especially by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required. -- Ac`id*i*met"ric*al a. [1913 Webster]

n. [ Gr. &unr_; to hear + -meter. ] (Physics.) An instrument for measuring the acuteness of the sense of hearing. Itard. [ 1913 Webster ]

n. [ Gr. &unr_; to hear + -metry. ] The measuring of the power or extent of hearing. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray + -meter ] (a) An instrument for measuring the direct heating power of the sun's rays. (b) An instrument for measuring the actinic effect of rays of light. [ 1913 Webster ]

a. Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic. [ 1913 Webster ]

n. 1. The measurement of the force of solar radiation. Maury. [ 1913 Webster ]

2. The measurement of the chemical or actinic energy of light. Abney. [ 1913 Webster ]

n. [ Aëro- + -meter: cf. F. éromètre. ] An instrument for ascertaining the weight or density of air and gases. [ 1913 Webster ]

a. Of or pertaining to aërometry; as, aërometric investigations. [ 1913 Webster ]

n. [ Aëro- + -metry: cf. F. érométrie. ] The science of measuring the air, including the doctrine of its pressure, elasticity, rarefaction, and condensation; pneumatics. [ 1913 Webster ]

A kind of gun metal, containing copper, zinc, and iron, but no tin. [ 1913 Webster ]

n. [ Air + -meter. ] A hollow cylinder to contain air. It is closed above and open below, and has its open end plunged into water. [ 1913 Webster ]

n. [ L. albumen, albuminis + -meter: cf. F. albuminimètre. ] An instrument for ascertaining the quantity of albumen in a liquid. [ 1913 Webster ]

n. See Alkalimeter. [ 1913 Webster ]

{ } n. [ Alcohol + -meter. ] (Chem.) An instrument for determining the strength of spirits, with a scale graduated so as to indicate the percentage of pure alcohol, either by weight or volume. It is usually a form of hydrometer with a special scale. [ 1913 Webster ]

/mhw>, a. Relating to the alcoholometer or alcoholometry. [ 1913 Webster ]

The alcoholometrical strength of spirituous liquors. Ure. [ 1913 Webster ]

n. The process or method of ascertaining the proportion of pure alcohol which spirituous liquors contain. [ 1913 Webster ]

n., , a. Same as Alcoholometer, Alcoholometric. [ 1913 Webster ]

n. See Alcoholometry. [ 1913 Webster ]

☞ The chemists say alcomètre, alcoomètrie, doubtless by the suppression of a syllable in order to avoid a disagreeable sequence of sounds. (Cf. Idolatry.) Littré. [ 1913 Webster ]

n. [ Gr. &unr_; flour + -meter. ] An instrument for determining the expansive properties, or quality, of gluten in flour. Knight. [ 1913 Webster ]

n. [ Gr. &unr_; pain + -meter. ] (Psychol.) An instrument for measuring sensations of pain due to pressure. It has a piston rod with a blunted tip which is pressed against the skin. -- Al*gom"e*try n. -- Al`go*met"ric *met"ric*al a. -- Al`go*met"ric*al*ly, adv. [ Webster 1913 Suppl. ]

. Any one of the univalent metals of group I of the periodic table of the elements, including lithium, sodium, potassium, rubidium, cesium, and francium. The hydroxides of these metals are soluble in water and form strongly basic solutions. [ PJC. ]

n. [ Alkali + -meter. cf. F. alcalimètre. ] An instrument to ascertain the strength of alkalies, or the quantity of alkali in a mixture. [ 1913 Webster ]

{ } a. Of or pertaining to alkalimetry. [ 1913 Webster ]

n. [ Cf. F. alcalimètrie. ] (Chem.) The art or process of ascertaining the strength of alkalies, or the quantity present in alkaline mixtures. [ 1913 Webster ]

adj. 1. of or pertaining to allometry. [ WordNet 1.5 ]

n. 1. the study of the relative growth of a part of an organism in relation to the growth of the whole. [ WordNet 1.5 ]

‖n. [ F., from allumer to light. ] A match for lighting candles, lamps, etc. [ 1913 Webster ]

n. [ LL. altimeter; altus high + metrum, Gr. &unr_;, measure: cf. F. altimètre. ] An instrument for taking altitudes, as a quadrant, sextant, etc. Knight. [ 1913 Webster ]

n. [ Cf. F. altimétrie. ] The art of measuring altitudes, or heights. [ 1913 Webster ]

n. [ L. altus high + -meter. ] A theodolite. Knight. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) A group of insects which do not undergo any metamorphosis. [ Written also Ametabolia. ] [ 1913 Webster ]

a. [ Gr. &unr_; unchangeable; 'a priv. + &unr_; changeable, &unr_; to change. ] (Zool.) Of or pertaining to insects that do undergo any metamorphosis. [ 1913 Webster ]

{ } a. (Zool.) Not undergoing any metamorphosis; as, ametabolic insects. Opposite of metabolic. [ 1913 Webster ]

2. undergoing only slight metamorphosis [ WordNet 1.5 ]

n. [ Pref. a- not + methodist. ] One without method; a quack. [ Obs. ] [ 1913 Webster ]

[ F. ametiste, amatiste, F. améthyste, L. amethystus, fr. Gr. &unr_; without drunkenness; as a noun, a remedy for drunkenness, the amethyst, supposed to have this power; 'a priv. + &unr_; to be drunken, &unr_; strong drink, wine. See Mead. ] [ 1913 Webster ]

1. (Min.) A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone. [ 1913 Webster ]

Oriental amethyst, the violet-blue variety of transparent crystallized corundum or sapphire. [ 1913 Webster ]

2. (Her.) A purple color in a nobleman's escutcheon, or coat of arms. [ 1913 Webster ]

a. [ L. amethystinus, Gr. &unr_;. ] 1. Resembling amethyst, especially in color; bluish violet. [ 1913 Webster ]

2. Composed of, or containing, amethyst. [ 1913 Webster ]

‖n. [ Gr. 'a`metros irregular + 'w`ps, 'wpo`s, eye. ] (Med.) A visual impairment resulting from faulty refraction of light rays in the eye. Subtypes include myopia astigmatism and hyperopia. -- Am`e*trop"ic a. AS [1913 Webster +PJC]

adj. Of or pertaining to ametropia. [ WordNet 1.5 ]

n. 1. a methyl with the hydrogen atom replaced by an amino radical. [ WordNet 1.5 ]

n. (Physics) A contraction of amperometer or ampèremeter. [ 1913 Webster ]

{ ‖ } n. [ Ampère + meter. ] (Physics) An instrument for measuring the strength of an electrical current in ampères. [ 1913 Webster ]

n. [ Amylum + -meter. ] Instrument for determining the amount of starch in a substance. [ Webster 1913 Suppl. ]

n. [ Gr. &unr_; wind + -meter. ] An instrument for measuring the force or velocity of the wind; a wind gauge. [ 1913 Webster ]

{ } a. Of or pertaining to anemometry. [ 1913 Webster ]

n. [ Anemometer + -graph. ] An anemograph. Knight. [ 1913 Webster ]