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‖ /mhw>, adv. [ See Able. ] Perhaps; possibly. [ Scotch ] Burns. [ 1913 Webster ]

a. [ Pref. a- not + cauline. ] (Bot.) Same as Acaulescent. [ 1913 Webster ]

a. Resembling little heaps. [ 1913 Webster ]

n. 1. a neurotransmitter released by the transmitting dendron at autononmous synapses and at neuromuscular junctions. It is a quaternary amine with an obligatory negative counterion. The nominal formula for the hydroxide form is C7H17NO3. Structural formula (CH3)3N(+)CH2CH2.O.CO.CH3.OH(-). Acetylcholine is the first recognized and best-studied of the neurotransmitters. At receptors it is recycled into choline by the action of acetylcholinesterase. Acetylcholinesterase inhibitors therefore function as nerve poisons. For biochemical studies it is prepared typically in the chloride or bromide forms. [ WordNet 1.5 +PJC ]

n. 1. an enzyme which exists in nerve cells and hydrolyses acetylcholine into choline and acetic acid. It is essential for neurotransmission at autonomous synapses and neuromuscular junctions, and its inhibition by acetylcholinesterase inhibitors can paralyze or kill an animal.
Syn. -- ACE [ PJC ]

a. [ Gr. 'a priv. + kli`nein to incline. ] (Physics.) Without inclination or dipping; -- said of the imaginary line near the earth's equator on which the magnetic needle balances itself horizontally, having no dip. The aclinic line is also termed the magnetic equator. Prof. August. [ 1913 Webster ]

n. 1. 1 a genus of herbs and shrubs of Australia and Southern Africa, with an everlasting flower; most species are usually placed in genus Helipterum.
Syn. -- genus Acroclinium [ WordNet 1.5 ]

n. pl. [ See Addle, to earn. ] Earnings. [ Prov. Eng. ] Wright. [ 1913 Webster ]

n. Same as Atheling. [ 1913 Webster ]

n. Also /mhw>. (Physiol. Chem.) a hormone secreted by the adrenal medulla that acts as a powerful stimulant in reponse to fear or stress; it stimulates autonomic nerve action. It can be obtained as a crystalline substance, C9H13NO3. It is used in medicine as a vasoconstrictor (hemostatic) and cardiac stimulant, also to reduce allergic reactions and to stimulate the heart in cases of cardiac arrest. MI11
Syn. -- epinephrine; 3, 4-dihydroxy-1-[ 1-hydroxy-2-(methylamino)-ethyl ]benzene. [ Webster 1913 Suppl. +PJC ]

n. 1. .
Syn. -- epinephrine, adrenalin [ WordNet 1.5 ]

n. Same as Esculin. [ 1913 Webster ]

adj. sick; unhealthy. Opposite of well or healthy.
Syn. -- indisposed, peaked(predicate), poorly(predicate), sickly, unwell. [ WordNet 1.5 ]

. In devices generating heat, such as gasoline-engine motor vehicles, the cooling of the device by increasing its radiating surface by means of ribs or radiators, and placing it so that it is exposed to a current of air. Cf. Water cooling. -- Air"-cooled`, a. [Webster 1913 Suppl. +PJC]

. an organization, usually commercial or governmental, providing transportation by airplane for freight or passengers. The term includes the organization, its personnel, equipment and other properties, such as approved air routes. [ PJC. ]

. A path through the air made easy for aërial navigation by steady winds. [ Webster 1913 Suppl. ]

n. A thoughtless, gay person. [ Obs. ] “Slight airlings.” B. Jonson. [ 1913 Webster ]

a. [ L. ala wing + E. nasal. ] (Anat.) Pertaining to expansions of the nasal bone or cartilage. [ 1913 Webster ]

v. t. To range or place in a line; to bring into line; to align. Evelyn. [ 1913 Webster ]

n. See Allineation. [ 1913 Webster ]

{ } n. Alignment; position in a straight line, as of two planets with the sun. Whewell. [ 1913 Webster ]

The allineation of the two planets. C. A. Young. [ 1913 Webster ]

n. Same as Alignment. [ 1913 Webster ]

[ The Eng. form alinement is preferable to alignment, a bad spelling of the French ]. New Eng. Dict. (Murray). [ 1913 Webster ]

n. One who adjusts things to a line or lines or brings them into line. Evelyn. [ 1913 Webster ]

a. [ Cf. F. alcalin. ] Of or pertaining to an alkali or to alkalies; having the properties of an alkali. [ 1913 Webster ]

Alkaline earths, certain substances, as lime, baryta, strontia, and magnesia, possessing some of the qualities of alkalies. --
Alkaline metals, potassium, sodium, cæsium, lithium, rubidium. --
Alkaline reaction, a reaction indicating alkalinity, as by the action on limits, turmeric, etc. [ 1913 Webster ]

adj. 1. thriving in a relatively alkaline environment; (especially of plants requiring a pH above 7) acid-loving
Syn. -- alkali-loving [ WordNet 1.5 ]

n. The quality which constitutes an alkali; alkaline property. Thomson. [ 1913 Webster ]

v. t. [ L. ad + lineatus, p. p. of lineare to draw a line. ] To align. [ R. ] Herschel. [ 1913 Webster ]

adv. With an ambling gait. [ 1913 Webster ]

n. 1. a semisynthetic penicillin which can be considered as the common benzylpenicillin containing an amino group at the alpha benzyl position. It is more active against certain gram-negative bacteria than is benzylpenicillin. It found wide use in treatment of bacterial infections, and has been sold under many trade names.
Syn. -- D(-)-α-aminobenzylpenicillin. [ WordNet 1.5 ]

n. (Chem.) A glucoside extracted from bitter almonds as a white, crystalline substance. [ 1913 Webster ]

a. [ L. amygdalinus. ] Of, pertaining to, or resembling, almonds. [ 1913 Webster ]

n. The act of one who angles; the art of fishing with rod and line. Walton. [ 1913 Webster ]

n. [ See Anil. ] (Chem.) An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made. [ 1913 Webster ]

a. Made from, or of the nature of, aniline. [ 1913 Webster ]

‖ n. [ Aniline + -ism. ] (Med.) A disease caused by chronic exposure to aniline; aniline toxicity. [ Webster 1913 Suppl. + AS ]

{ } a. Of, pertaining to, or resembling, animalcules. “Animalcular life.” Tyndall. [ 1913 Webster ]

n. 1. The process used to render glass, iron, etc., less brittle, performed by allowing them to cool very gradually from a high heat. [ 1913 Webster ]

2. The burning of metallic colors into glass, earthenware, etc. [ 1913 Webster ]

/mhw>, n. [ Pref. anti- + alkali. ] Anything that neutralizes, or that counteracts an alkaline tendency in the system. Hooper. [ 1913 Webster ]

a. Of power to counteract alkalies. [ 1913 Webster ]

n. (Geol.) The crest or line in which strata slope or dip in opposite directions. [ 1913 Webster ]

a. [ Pref. anti- + Gr. kli`nein to incline. ] 1. Inclining or dipping in opposite directions. See Synclinal. [ 1913 Webster ]

2. (Bot.) occurring at right angles to the surface of a plant organ. [ PJC ]

Anticlinal line,
Anticlinal axis (Geol.), a line from which strata dip in opposite directions, as from the ridge of a roof. --
Anticlinal vertebra (Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined. [ 1913 Webster ]

n. [ See Anticlinal. ] (Geol.) A structure of bedded rocks in which the beds on both sides of an axis or axial plane dip away from the axis; an anticlinal. Contrassted with syncline. [ Webster 1913 Suppl. ]

‖n.; pl. Anticlinoria [ NL., fr. Gr. 'anti` against + kli`nein to incline + 'o`ros mountain. ] (Geol.) The upward elevation of the crust of the earth, resulting from a geanticlinal. [ 1913 Webster ]

a. [ L. Apollinaris, fr. Apollo. ] (Rom. Antiq.) In honor of Apollo; as, the Apollinarian games. [ 1913 Webster ]

n. (Eccl. Hist.) A follower of Apollinaris, Bishop of Laodicea in the fourth century, who denied the proper humanity of Christ. [ 1913 Webster ]

An effervescing alkaline mineral water used as a table beverage. It is obtained from a spring in Apollinarisburg, near Bonn. [ 1913 Webster ]

a. Such as to appall; as, an appalling accident. -- Ap*pall"ing*ly, adv. [1913 Webster]

a. That appeals; imploring. -- Ap*peal"ing*ly, adv. -- Ap*peal"ing*ness, n. [ 1913 Webster ]