a. [ (a) L. acerosus chaffy, fr. acus, gen. aceris, chaff; (b) as if fr. L. acus needle: cf. F. acéreux. ] (Bot.) (a) Having the nature of chaff; chaffy. (b) Needle-shaped, having a sharp, rigid point, as the leaf of the pine. [ 1913 Webster ]

‖n. [ NL.; adeno- + sclerosis. ] (Med.) The hardening of a gland. AS [ Webster 1913 Suppl. ]

n. 1. 1 African antelopes: impalas.
Syn. -- genus Aepyceros [ WordNet 1.5 ]

n. [ Aëro- + Gr. &unr_; to look out. ] (Biol.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air. [ 1913 Webster ]

n. [ Aëro- + Gr. &unr_; a looking out; &unr_; to spy out. ] The observation of the state and variations of the atmosphere. [ 1913 Webster ]

a. [ L. aerosus, fr. aes, aeris, brass, copper. ] Of the nature of, or like, copper; brassy. [ R. ] [ 1913 Webster ]

n. [ Aëro- + siderite. ] (Meteor.) A mass of meteoric iron. [ 1913 Webster ]

n. 1. the atmosphere and outer space considered together or as a whole. [ WordNet 1.5 ]

2. the sector of industry that designs and builds aircraft, rockets, missiles, and devices or vehicles intended to operate in outer space. [ WordNet 1.5 ]

a. of or pertaining to aerospace in either sense. [ PJC ]

n. [ Aëro- + sphere: cf. F. aérosphère. ] The atmosphere. [ R. ] [ 1913 Webster ]

n. [ F. aérostat, fr. Gr. &unr_; air + &unr_; placed. See Statics. ] 1. (Aëronautics) A balloon, especially a passive balloon; a balloon without motive power. Contrasted with aerodyne. [ 1913 Webster +Webster 1913 Suppl. ]

2. A balloonist; an aëronaut. [ 1913 Webster ]

{ } a. [ Aëro- + Gr. &unr_;: cf. F. aérostatique. See Statical, Statics. ] 1. Of or pertaining to aërostatics; pneumatic. [ 1913 Webster ]

2. Aëronautic; as, an aërostatic voyage. [ 1913 Webster ]

n. The science that treats of the equilibrium of elastic fluids, or that of bodies sustained in them. Hence it includes aëronautics. [ 1913 Webster ]

n. [ Cf. F. aérostation the art of using aërostats. ] 1. That part of aëronautics that deals with passive balloons; the art of raising and guiding balloons in the air. [ 1913 Webster +Webster 1913 Suppl. ]

2. The science of weighing air; aërostatics. [ Obs. ] [ 1913 Webster ]

a. In heaps; full of heaps. [ 1913 Webster ]

n. 1. (Med.) A filling up; restoring a defective part; especially, promoting granulation of wounds or ulcers. [ AS ]

2. (Med) The process of restoring the depleted cellular metabolic intermediate pools; most commonly used to refer to the restoration of the citric acid cycle intermediates pool. [ AS ]

n. [ Gr. 'arthri`a + -logy. ] (Med.) a form of arteriosclerosis which affects predominantly the arterioles, found especially in people with chronic hypertension. Stedman [ PJC ]

‖n. [ NL.; Gr. &unr_; artery + sclerosis. ] (Med.) a chronic disease characterized by abnormal thickening and hardening of the walls of the arteries, esp. of the intima, occurring mostly in old age. Subtypes are distinguished, such as arteriolosclerosis and atherosclerosis. -- Ar*te`ri*o*scle*rot"ic a. [Webster 1913 Suppl. +PJC]

n. [ Gr. &unr_; + -logy. ] (Med.) a form of arteriosclerosis characterized by irregular fatty deposits on the inner surface of large and medium-sized arteries; the deposits are associated with fibrosis and calcification of the inner layer of the arteries. Similar conditions may be found in swine and fowl. The deposits may become large enough to impede the blood circulation and in some cases may restrict the blood supply to the heart. Stedman [ PJC ]

‖n. [ Gr. boy`kerws horned like an ox; boy^s ox + ke`ras horn. ] (Zool.) A genus of large perching birds; the hornbills. [ 1913 Webster ]

‖n. An East Indian resin, of a pellucid white color, from which small ornaments and toys are sometimes made. [ 1913 Webster ]

‖n. [ NL., fr. Gr. kardi`a heart + sclerosis. ] Induration of the heart, caused by development of fibrous tissue in the cardiac muscle. [ Obsolescent ] [ Webster 1913 Suppl. +PJC ]

n. [ L. cera wax. ] (Chem.) A waxy substance obtained from the bark of the sugar cane, and crystallizing in delicate white laminæ. [ 1913 Webster ]

n. [ Gr. &unr_; second + -scopy. ] 1. Second sight. [ 1913 Webster ]

I felt by anticipation the horrors of the Highland seers, whom their gift of deuteroscopy compels to witness things unmeet for mortal eye. Sir W. Scott. [ 1913 Webster ]

2. That which is seen at a second view; a meaning beyond the literal sense; the second intention; a hidden signification. Sir T. Browne. [ 1913 Webster ]

‖n. [ L., fr. Gr. &unr_; love, &unr_; (personified) Eros, fr. &unr_; to love. ] (Greek Myth.) Love; the god of love; -- by earlier writers represented as one of the first and creative gods, by later writers as the son of Aphrodite, equivalent to the Latin god Cupid. [ 1913 Webster ]

a. [ L. erosus, p. p. See Erode. ] 1. Irregular or uneven as if eaten or worn away. [ 1913 Webster ]

2. (Bot.) Jagged or irregularly toothed, as if nibbled out or gnawed. -- E*rose"ly, adv. [1913 Webster]

n. [ L. erosio. See Erode. ] 1. The act or operation of eroding or eating away. [ 1913 Webster ]

2. The state of being eaten away; corrosion; canker. [ 1913 Webster ]

3. The wearing away of the earth's surface by any natural process. The chief agent of erosion is running water; minor agents are glaciers, the wind, and waves breaking against the coast. [ Webster 1913 Suppl. ]

4. a gradual reduction or lessening as if by an erosive force; as, erosion of political support due to scandal; erosion of buying power by inflation. [ fig. ] [ PJC ]

a. That erodes or gradually eats away; tending to erode; corrosive. Humble. [ 1913 Webster ]

a. [ Pref. e- out + rostrate. ] (Bot.) Without a beak. [ 1913 Webster ]

n. [ L. generositas: cf. F. générosité. ] 1. Noble birth. [ Obs. ] Harris (Voyages). [ 1913 Webster ]

2. The quality of being noble; noble-mindedness. [ 1913 Webster ]

Generosity is in nothing more seen than in a candid estimation of other men's virtues and good qualities. Barrow. [ 1913 Webster ]

3. Liberality in giving; munificence.

Syn. -- Magnanimity; liberality. [ 1913 Webster ]

a. [ L. hederosus, fr. hedera ivy. ] Pertaining to, or of, ivy; full of ivy. [ 1913 Webster ]

n. (Med.) The accumulation of abnormal amounts of hemosiderin in the tisssues. Several causes have been recognized. Stedman. [ PJC ]

n. The character or personality of a hero. “Three years of heroship.” Cowper. [ 1913 Webster ]

n. [ Gr. &unr_;; &unr_; other + &unr_; shadow: cf. F. hétéroscien. ] One who lives either north or south of the tropics, as contrasted with one who lives on the other side of them; -- so called because at noon the shadows always fall in opposite directions (the one northward, the other southward). [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; alteration, fr. &unr_; other, different. ] (Rhet.) A figure of speech by which one form of a noun, verb, or pronoun, and the like, is used for another, as in the sentence: “What is life to such as me?” Aytoun. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_;, &unr_;, body. ] (Zool.) An order of fishes, comprising the flounders, halibut, sole, etc., having the body and head asymmetrical, with both eyes on one side. Called also Heterosomata, Heterosomi.

{ } a. [ Hetero- + spore. ] (Bot.) Producing two kinds of spores unlike each other. [ 1913 Webster ]

a. (Bot.) Having styles of two or more distinct forms or lengths. Darwin. [ 1913 Webster ]

n. (Bot.) The condition of being heterostyled. [ 1913 Webster ]

n. [ Gr. "ieroskopi`a divination; "iero`s sacred + &unr_; to view. ] Divination by inspection of entrails of victims offered in sacrifice. [ 1913 Webster ]

a. 1. Mutually touching or intersecting; as, interosculant circles. [ 1913 Webster ]

2. (Biol.) Uniting two groups; -- said of certain genera which connect family groups, or of species that connect genera. See Osculant. [ 1913 Webster ]

v. i. & t. 1. To kiss together to touch. See Osculate. [ 1913 Webster ]

2. (Biol.) To have the character of, or to lie between, two distinct groups.

{ } a. [ Pref. inter- + osseous: cf. F. interosseux. ] (Anat.) Situated between bones; as, an interosseous ligament. [ 1913 Webster ]

n. [ Gr. &unr_; wax. ] An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series, having from 10 to 16 carbon atoms in each molecule, and having a higher boiling point (175 - 325° C) than gasoline or the petroleum ethers, and a lower boling point than the oils. [ 1913 Webster +PJC ]

‖n. [ NL., fr. Gr. me`gas great + ke`ras horn. ] (Paleon.) The Irish elk. [ 1913 Webster ]

‖n. [ NL., from Gr. me`ros part. ] (Arch.) The plain surface between the channels of a triglyph. [ Written also merus. ] Weale. [ 1913 Webster ]

‖ n. [ NL., fr. Gr. me`ros the thigh. ] (Anat.) The proximal segment of the hind limb; the thigh. [ 1913 Webster ]

n. [ Gr. me`ros part + -some body. ] (Zool.) One of the serial segments, or metameres, of which the bodies of vertebrate and articulate animals are composed. [ 1913 Webster ]

‖prop. n. pl. [ NL., fr. Gr. me`ros thigh + &unr_;, -&unr_;, mouth. ] (Zool.) A class of Arthropoda, allied to the Crustacea. It includes the trilobites, Eurypteroidea, and Limuloidea. All are extinct except the horseshoe crabs (Limulus) of the last group. See Limulus. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; heart of a tree + &unr_; iron. ] (Bot.) A myrtaceous genus of trees or shrubs, found in Australia and the South Sea Islands, and having very hard wood. Metrosideros vera is the true ironwood. [ 1913 Webster ]