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n. [ NL. acromegalia, fr. Gr. 'a`kron point, peak + me`gas, mega`loy, big. ] (Med.) Chronic enlargement of many bones of the skeleton, especially bones of hands, feet and face; the condition is due to excessive secretion of growth hormone. [ 1913 Webster + AS ]

n. A mechanic or mechanician expert in the art and practice of aëronautics. [ Webster 1913 Suppl. ]

{ , a. Of or pert. to aëromechanics. [ Webster 1913 Suppl. ]

n. The science of equilibrium and motion of air or an aëriform fluid, including aërodynamics and aërostatics. [ Webster 1913 Suppl. ]

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 ]

n. [ Aëro- + Gr. &unr_; a running. ] (Aëronautics) (a) A shed for housing an airship or aëroplane. (b) A ground or field, esp. one equipped with housing and other facilities, used for flying purposes. -- A`ër*o*drom"ic a. [Webster 1913 Suppl.]

n. 1. an airfield equipped with control tower and hangers as well as accommodations for passengers and cargo.
Syn. -- airport, aerodrome [ WordNet 1.5 ]

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

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

{ , n. } (Astron.) A meteor appearing to radiate from a point in the constellation Andromeda, -- whence the name. [ 1913 Webster ]

☞ A shower of these meteors takes place every year on November 27th or 28th. The Andromedes are also called Bielids, as they are connected with Biela's comet and move in its orbit. [ Webster 1913 Suppl. ]

n. [ L., fr. Gr. &unr_;, the daughter of Cepheus and Cassiopeia. When bound to a rock and exposed to a sea monster, she was delivered by Perseus. ] 1. (Astron.) A northern constellation, supposed to represent the mythical Andromeda. [ 1913 Webster ]

2. (bot.) A genus of ericaceous flowering plants of northern climates, of which the original species was found growing on a rock surrounded by water. [ 1913 Webster ]

n. [ Gr. 'a`rqron joint + -mere. ] (Zool.) One of the body segments of Arthropods. See Arthrostraca. Packard. [ 1913 Webster ]

n. [ Astro- + meteorology. ] The investigation of the relation between the sun, moon, and stars, and the weather. -- As`*tro*me`te*or`o*log"ic*al a. -- As`tro*me`te*or*ol"o*gist n. [ 1913 Webster ]

n. [ Astro- + meter. ] An instrument for comparing the relative amount of the light of stars. [ 1913 Webster ]

n. [ Astro- + metry. ] The art of making measurements among the stars, or of determining their relative magnitudes. [ 1913 Webster ]

n. [ Gr. ba`ros weight + makro`s long + -meter. ] (Med.) An instrument for ascertaining the weight and length of a newborn infant. [ 1913 Webster ]

n. [ Gr. ba`ros weight + -meter: cf. F. baromètre. ] An instrument for determining the weight or pressure of the atmosphere, and hence for judging of the probable changes of weather, or for ascertaining the height of any ascent. [ 1913 Webster ]

☞ The barometer was invented by Torricelli at Florence about 1643. It is made in its simplest form by filling a graduated glass tube about 34 inches long with mercury and inverting it in a cup containing mercury. The column of mercury in the tube descends until balanced by the weight of the atmosphere, and its rise or fall under varying conditions is a measure of the change in the atmospheric pressure. At the sea level its ordinary height is about 30 inches (760 millimeters). See Sympiesometer. Nichol. [ 1913 Webster ]

Aneroid barometer. See Aneroid barometer, under Aneroid. --
Marine barometer, a barometer with tube contracted at bottom to prevent rapid oscillations of the mercury, and suspended in gimbals from an arm or support on shipboard. --
Mountain barometer, a portable mercurial barometer with tripod support, and long scale, for measuring heights. --
Siphon barometer, a barometer having a tube bent like a hook with the longer leg closed at the top. The height of the mercury in the longer leg shows the pressure of the atmosphere. --
Wheel barometer, a barometer with recurved tube, and a float, from which a cord passes over a pulley and moves an index. [ 1913 Webster ]

{ } a. Pertaining to the barometer; made or indicated by a barometer; as, barometric changes; barometrical observations. [ 1913 Webster ]

adv. By means of a barometer, or according to barometric observations. [ 1913 Webster ]

n. [ Gr. ba`ros weight + me`tron measure + -graph. ] A form of barometer so constructed as to inscribe of itself upon paper a record of the variations of atmospheric pressure. [ 1913 Webster ]

n. The art or process of making barometrical measurements. [ 1913 Webster ]

n. [ Cf. Russ. baranets' clubmoss. ] (Bot.) The woolly-skinned rhizoma or rootstock of a fern (Dicksonia barometz), which, when specially prepared and inverted, somewhat resembles a lamb; -- called also Scythian lamb. [ 1913 Webster ]

adj. 1. having two colors.
Syn. -- bicolor, bicolour, bicolored. [ WordNet 1.5 ]

‖n. [ F. ] (Chem.) See Bromine. [ 1913 Webster ]

[ L. bromos a kind of oats, Gr. &unr_;. ] (Bot.) A genus (Bromus) of grasses, one species of which is the chess or cheat. [ 1913 Webster ]

a. [ Named after Olaf Bromel, a Swedish botanist. ] (Bot.) Pertaining to, or resembling, a family of endogenous and mostly epiphytic or saxicolous plants of which the genera Tillandsia and Billbergia are examples. The pineapple, though terrestrial, is also of this family. [ 1913 Webster ]

n. [ L. butyrum butter + -meter. ] An instrument for determining the amount of fatty matter or butter contained in a sample of milk. [ 1913 Webster ]

n. See Caramel. [ 1913 Webster ]

n. [ Gr. kata`dromos race course; kata` down + dro`mos course. ] 1. A race course. [ 1913 Webster ]

2. (Mach.) A machine for raising or lowering heavy weights. [ 1913 Webster ]

n. (Biol.) a specialized condensed region of a chromosomes that appears during mitosis where the chromatids are held together to form an X shape. [ WordNet 1.5 ]

adj. (Biol.) pertaining to the centromere, the dense specialized portion of a chromosome to which the spindle attaches during mitosis. [ WordNet 1.5 ]

n. [ Cf. F. chloromètre. See Chlorine, and -meter. ] An instrument to test the decoloring or bleaching power of chloride of lime. [ 1913 Webster ]

n. The process of testing the bleaching power of any combination of chlorine. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, bile + &unr_; color. ] (Physiol.) See Bilirubin. [ 1913 Webster ]

n. [ Gr. &unr_; a grain (of wheat or spelt), cartilage + -meter. ] A steelyard for weighting grain. [ 1913 Webster ]

n. [ Gr. &unr_; place + -metry. ] The art of surveying a region or district. [ 1913 Webster ]

n. Same as Chromium. [ 1913 Webster ]

Chrome alum (Chem.), a dark violet substance, (SO4)3Cr2.K2SO4.24H2O, analogous to, and crystallizing like, common alum. It is regarded as a double sulphate of chromium and potassium. --
Chrome green (a) The green oxide of chromium, Cr2O3, used in enamel painting, and glass staining. (b) A pigment made by mixing chrome yellow with Prussian blue. --
Chrome red, a beautiful red pigment originally prepared from the basic chromate of lead, but now made from red oxide of lead. --
Chrome yellow, a brilliant yellow pigment, PbCrO4, used by painters. [ 1913 Webster ]

v. t. [ imp. & p. p. Chromed p. pr. & vb. n. Chroming. ] [ From Chrome, n. ] To treat with a solution of potassium bichromate, as in dyeing. [ Webster 1913 Suppl. ]

. Same as Chromium steel, under Steel. [ Webster 1913 Suppl. ]

n. a form of synesthesia in which nonvisual stimulation results in the experience of color sensations. [ Also spelled chromaesthesia. ] [ WordNet 1.5 ]

a. [ Gr. ky`lindros + me`tron measure. ] Belonging to a scale used in measuring cylinders. [ 1913 Webster ]

prop. n. a genus having only one species, the bush poppy.
Syn. -- genus Dendromecon. [ WordNet 1.5 ]

n. [ Gr. de`ndron tree + -meter: cf. F. dendromètre. ] An instrument to measure the height and diameter of trees. [ 1913 Webster ]

n. (Med.) A congenital disorder caused by an extra chromosome 21 in some or all cells. It causes a variable number and degree of abnormalities, including retarded growth, mental retardation, a short nose, prominent epicanthic folds on the eyelids, a protruding lower lip, and other physical features having varying degrees of deviation from the normal. Called also mongolism, trisomy-21 and trisomy 21 syndrome. [ PJC ]

n. Short for Aërodrome. [ Slang ]