n. [ F. acrobate, fr. Gr. &unr_; walking on tiptoe, climbing aloft; &unr_; high + &unr_; to go. ] One who practices rope dancing, high vaulting, or other daring gymnastic feats. [ 1913 Webster ]

n. 1. 1 a genus of mammals.
Syn. -- genus Acrobates. [ WordNet 1.5 ]

a. [ Cf. F. acrobatique. ] Pertaining to an acrobat. [ 1913 Webster ]

-- Ac`ro*bat"ic*al*ly, adv. [1913 Webster]

n. Feats of the acrobat; daring gymnastic feats; high vaulting. [ 1913 Webster ]

a. [ L. acutus sharp + E. lobe. ] (Bot.) Having acute lobes, as some leaves. [ 1913 Webster ]

‖n. [ Sp. ] 1. An unburnt brick dried in the sun; also used as an adjective, as, an adobe house, in Texas or New Mexico. [ 1913 Webster ]

2. Earth from which unburnt bricks are made. [ Western U. S. ] [ Webster 1913 Suppl. ]

3. (Geol.) Alluvial and playa clays of desert and arid regions, differing from ordinary clays of humid regions in containing carbonates and other soluble minerals. [ Webster 1913 Suppl. ]

n. 1. a California herb (Fritillaria pluriflora) with pinkish purple flowers.
Syn. -- adobe lily, pink fritillary, Fritillaria pluriflora [ WordNet 1.5 +PJC ]

n. 1. a Philippine dish of marinated vegetables and meat or fish; served with rice. [ WordNet 1.5 ]

n. [ See aerobies. ] an organism such as a microorganism that requires oxygen for life or growth. [ PJC ]

n. pl., but sing. or pl. in usage 1. physical exercises performed in a sustained and strenuous fashion designed to cause a temporary increase in respiration rate and heart rate, such a running, swimming, walking, or calisthenics. Calisthenic sessions in groups, performed by following a leader in moving to a rhythmic musical accompaniment, are a popular form of aerobics. [ PJC. ]

2. a system of physical conditioning relying largely on aerobics exercises. [ PJC. ]

{ ‖ } n. [ Aero- + Gr. fo`bos fear: cf. F. aérophobie. ] (Med.) Dread of a current of air or of fresh air. [ 1913 Webster + AS ]

a. (Biol.) Growing or thriving only in the presence of oxygen; also, pertaining to, or induced by, aërobies; as, aërobic fermentation. -- A`ër*o"bic*al*ly adv. [Webster 1913 Suppl.]

n. pl. [ Aëro- + Gr. bi`os life. ] (Biol.) Microörganisms which live in contact with the air and need oxygen for their growth; as the microbacteria which form on the surface of putrefactive fluids; aerobes. [ obsolescent ] [ Webster 1913 Suppl. +PJC ]

a. (Biol.) Related to, or of the nature of, aërobies; as, aërobiotic plants, which live only when supplied with free oxygen. [ 1913 Webster ]

n. [ Aëro- + boat. ] A form of hydro-aëroplane; a flying boat. [ Webster 1913 Suppl. ]

n. [ Aëro- + bus. ] An aëroplane or airship designed to carry passengers. Now called a passenger plane or commercial airliner. [ obsolescent ] [ Webster 1913 Suppl. +PJC ]

‖n. [ Sp. algarroba, fr. Ar. al-kharr&unr_;bah. Cf. Carob. ] (Bot.) (a) The Carob, a leguminous tree of the Mediterranean region; also, its edible beans or pods, called St. John's bread. (b) The Honey mesquite (Prosopis juliflora), a small tree found from California to Buenos Ayres; also, its sweet, pulpy pods. A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico. [ 1913 Webster ]

n. 1. 1 a genus of tropical American herbs sometimes included in genus Episcia.
Syn. -- genus Alsobia. [ WordNet 1.5 ]

n. 1. an oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines. Same as aniline.
Syn. -- aniline oil, phenylamine [ WordNet 1.5 ]

n. 1. any plant of the genus Ammobium having yellow flowers and silvery foliage. [ WordNet 1.5 ]

n. [ L. amylum starch + NL. bacterium. See Bacterium. ] (Biol.) A microörganism (Bacillus amylobacter) which develops in vegetable tissue during putrefaction. Sternberg. [ 1913 Webster ]

{ ‖ , n. pl. [ NL. anaerobia; an-not + aëro- + Gr.&unr_; life. ] (Bacteriol.) Anaërobic bacteria. They are called facultative anaërobes when able to live either in the presence or absence of free oxygen; obligate anaërobes, or obligatory anaërobes, when they thrive only in its absence. [ Webster 1913 Suppl. ]

a. [ Pref. an-not + aërobic. ] 1. (Biol.) Not requiring air or oxygen for life; -- applied especially to those microbes to which free oxygen is unnecessary; anaërobiotic; -- opposed to aërobic. [ Webster 1913 Suppl. ]

2. (Biol.) Relating to, or like, anaërobies; anaërobiotic. [ 1913 Webster ]

n. pl. [ Gr. 'an priv. + &unr_;, &unr_;, air + bi`os life. ] (Biol.) Microörganisms which do not require oxygen, but are killed by it. See obligate anaerobes under anaerobes. Sternberg. [ 1913 Webster +PJC ]

a. (Anat.) Related to, or of the nature of, anaërobies. [ 1913 Webster ]

n. 1. a person who hates England and everything English. [ WordNet 1.5 ]

n. [ Anglo- + Gr. &unr_; fear. ] Intense dread of, or aversion to, England or the English. -- An"glo*phobe n. [1913 Webster]

n. 1. 1 the family comprising the deathwatch beetles.
Syn. -- family Anobiidae. [ WordNet 1.5 ]

n. [ Gr. 'a`nqos flower + bi`os life. ] (Zool.) A beetle which feeds on flowers. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. 'a`nqos flower + &unr_; gills, n. pl. ] (Zool.) A division of nudibranchiate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris. [ 1913 Webster ]

a. (Med.) Counteracting or preventing hydrophobia. -- n. A remedy for hydrophobia. [ 1913 Webster ]

a. [ L. approbatus, p. p. of approbare to approve. ] Approved. [ Obs. ] Elyot. [ 1913 Webster ]

v. t. To express approbation of; to approve; to sanction officially. [ 1913 Webster ]

I approbate the one, I reprobate the other. Sir W. Hamilton. [ 1913 Webster ]

☞ This word is obsolete in England, but is occasionally heard in the United States, chiefly in a technical sense for license; as, a person is approbated to preach; approbated to keep a public house. Pickering (1816). [ 1913 Webster ]

n. [ L. approbatio: cf. F. approbation. See Approve to prove. ] 1. Proof; attestation. [ Obs. ] Shak. [ 1913 Webster ]

2. The act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval; sanction; commendation. [ 1913 Webster ]

Many . . . joined in a loud hum of approbation. Macaulay. [ 1913 Webster ]

The silent approbation of one's own breast. Melmoth. [ 1913 Webster ]

Animals . . . love approbation or praise. Darwin. [ 1913 Webster ]

3. Probation or novitiate. [ Obs. ] [ 1913 Webster ]

This day my sister should the cloister enter,
And there receive her approbation. Shak. [ 1913 Webster ]

Syn. -- Approval; liking; sanction; consent; concurrence. -- Approbation, Approval. Approbation and approval have the same general meaning, assenting to or declaring as good, sanction, commendation; but approbation is stronger and more positive. “We may be anxious for the approbation of our friends; but we should be still more anxious for the approval of our own consciences.” “He who is desirous to obtain universal approbation will learn a good lesson from the fable of the old man and his ass.” “The work has been examined by several excellent judges, who have expressed their unqualified approval of its plan and execution.” [ 1913 Webster ]

a. [ Cf. F. approbatif. ] Approving, or implying approbation. Milner. [ 1913 Webster ]

n. 1. The quality of being approbative. [ 1913 Webster ]

2. (Phren.) Love of approbation. [ 1913 Webster ]

n. [ L. ] One who approves. [ R. ] [ 1913 Webster ]

a. Containing or expressing approbation; commendatory. Sheldon. [ 1913 Webster ]

‖n. [ Tupi. ] 1. Goa powder. [ Webster 1913 Suppl. ]

2. A fabaceous tree of Brazil (Centrolobium robustum) having handsomely striped wood; -- called also zebrawood. [ Webster 1913 Suppl. ]

prop. n. A genus of chiefly American plants parasitic on conifers.
Syn. -- genus Arceuthobium. [ WordNet 1.5 ]

, n. (Microbiol.) A group of single-celled microorganisms including the methanogens and some halophiles and thermoacidophiles, recognized in the 1970's by C. R. Woese and his colleagues as being a distinct group on the basis of RNA sequences, cell walls, and coenzymes differing from those of other microbes. It is believed to be an ancient form of living organism that evolved separately from the eubacteria and blue-green algae. It is classified as a separate kingdom by some taxonomists. See also The Archaebacteria. [ PJC ]

‖n. [ Sp. and Pg., from Ar. arrub, ar-rubu, a fourth part. ] 1. A Spanish weight used in Mexico and South America = 25.36 lbs. avoir.; also, an old Portuguese weight, used in Brazil = 32.38 lbs. avoir. [ 1913 Webster ]

2. A Spanish liquid measure for wine = 3.54 imp. gallons, and for oil = 2.78 imp. gallons. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;, &unr_;, shield + &unr_; gills. ] (Zool.) A group of Gastropoda, with limpetlike shells, including the abalone shells and keyhole limpets. [ 1913 Webster ]

v. t. [ Pref. ad- + sober. Cf. Ensober. ] To make or keep sober. [ Obs. ] Gower. [ 1913 Webster ]

n. exobiology; -- not used technically.
Syn. -- exobiology. [ PJC ]

n. [ German: equivalent of auto + road. ] an expressway or superhighway in a German-speaking country. [ WordNet 1.5 ]

n. [ Auto- + biographer. ] One who writes his own life or biography. [ 1913 Webster ]

{ } a. Pertaining to, or containing, autobiography; as, an autobiographical sketch. “Such traits of the autobiographic sort.” Carlyle. -- Au`to*bi`o*graph"ic*al*ly, adv. [1913 Webster]

n. One who writes his own life; an autobiographer. [ R. ] [ 1913 Webster ]

n.; pl. Autobiographies [ Auto- + biography. ] A biography written by the subject of it; memoirs of one's life written by one's self. [ 1913 Webster ]