a. [ Gr. &unr_; thorn + &unr_;, &unr_;, foot. ] (Bot.) Having spinous petioles. [ 1913 Webster ]

n. [ See Accord. ] (Mus.) A small, portable, keyed wind instrument, whose tones are generated by play of the wind upon free metallic reeds. [ 1913 Webster ]

n. A player on the accordion. [ 1913 Webster ]

‖interj. [ Sp., fr. L. ad to + deus god. Cf. Adieu. ] Adieu; farewell; good-by; -- chiefly used among Spanish-speaking people; as, adios amigos (good-bye friends). [ Webster 1913 Suppl. ]

☞ This word is often pronounced but the Spanish accent, though weak, is on the final syllable. [ Webster 1913 Suppl. ]

{ , a. [ Gr. 'anh`r, 'andro`s, man + E. diœcious. ] (Bot.) Having perfect and staminate flowers on different plants. -- An`dro*di*œ"cism, -di*e"cism n. [ Webster 1913 Suppl. ]

a. [ Gr. 'an priv. + E. idiomatical. ] Not idiomatic. [ R. ] Landor. [ 1913 Webster ]

n. a gametophore bearing antheridia as in certain mosses and liverworts. [ WordNet 1.5 ]

n. [ Pref. arch- + diocese. ] The diocese of an archbishop. [ 1913 Webster ]

‖n. pl. [ NL., fr. ascidium + -oid. See Ascidium. ] (Zool.) A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix. [ 1913 Webster ]

n. [ Ascidium + zooid. ] (Zool.) One of the individual members of a compound ascidian. See Ascidioidea. [ 1913 Webster ]

n. the part of a transmitted signal which conveys the sound of the event represented by the signal, such as that of a television program. “they always raise the audio for commercials”
Syn. -- sound. [ WordNet 1.5 ]

2. 1 an audible acoustic wave frequency.
Syn. -- audio frequency [ WordNet 1.5 ]

3. the sound elements of television. [ WordNet 1.5 ]

n. 1. a cassette for audio tape. [ WordNet 1.5 ]

adj. 1. pertaining to a method of teaching language that focuses on listening and speaking. [ WordNet 1.5 ]

n. 1. 1 the measurement of hearing.
Syn. -- audiometry. [ WordNet 1.5 ]

n. [ L. audire to hear + -meter. ] (Acous.) An instrument by which the power of hearing can be gauged and recorded on a scale. [ 1913 Webster ]

n. 1. the measurement of hearing.
Syn. -- audiology [ WordNet 1.5 ]

2. measuring sensitivity of hearing. [ WordNet 1.5 ]

n. 1. a system of electronic equipment for recording or reproducing sound.
Syn. -- sound system. [ WordNet 1.5 ]

n. 1. magnetic tape for use in recording sound. [ WordNet 1.5 ]

2. a tape recording of sound. [ WordNet 1.5 ]

n. 1. 1 materials using sight or sound to present information; -- usually used in the plural. “language tapes and videocassettes and other audiovisuals”
Syn. -- audiovisual aid. [ WordNet 1.5 ]

adj. 1. 1 pertaining to or using audiovisual aids in teaching or exposition the school's audiovisual department [ WordNet 1.5 ]

n. [ Auto- + radiogram. ] (Biochemistry) an image produced upon photographic film by exposure of the film to a radioactive substance in close proximity to (usually in contact with) the film. Recording the distribution of radioactive materials on an autoradiogram is a technique much used in biochemical research as part of analytical procedures, in which radioactively labeled substances are subjected to a separation process (such as electrophoresis) which can help to characterize the substance, and the resulting distribution of the labeled substance is recorded on an autoradiogram. In microbiology and cell biology, autoradiograms may be made on the same film as a photomicrograph, permitting observation of the distribution of labeled compounds within a cell. [ PJC ]

n. same as autoradiogram. [ PJC ]

n. the process of producing an autoradiogram by exposing photographic film to a radioactive substance in close proximity to the film. [ PJC ]

a. Avid. [ 1913 Webster ]

adv. Eagerly; greedily. [ 1913 Webster ]

n. a lichen in which the fungus component is a basidiomycete. [ WordNet 1.5 ]

n. 1. any of various fungi of the subdivision Basidiomycota.
Syn. -- basidiomycetous fungi. [ WordNet 1.5 ]

‖n. pl. a phylum of fungi with the Basidiomycota [ Webster 1913 Suppl. +PJC ]

adj. of or pertaining to basidiomycetes. [ WordNet 1.5 ]

‖n. pl. (Bot.) [ NL., fr. NL. & E. basidium + Gr. &unr_;, &unr_;, fungus. ] (Bot.) A large subdivision of the kingdom Fungi coextensive with the phylum Basidiomycetes, characterized by having the spores borne on a basidium. It embraces those fungi best known to the public, such as mushrooms, toadstools, etc. Among the classes of the Basidiomycota are: Gasteromycetes (puffballs); Tiliomycetes (comprising the orders Ustilaginales (smuts) and Uredinales (rusts)); and Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi). In the 1913 Webster, the Basidiomycetes were defined as "coördinate with the Ascomycetes", and other fungal phyla (the Zygomycota and Deuteromycota) were not mentioned.
Syn. -- Basidiomycota, subdivision Basidiomycota, subdivision Basidiomycotina. [ Webster 1913 Suppl. +PJC ]

n. same as Basidiomycota. [ WordNet 1.5 ]

n. [ Basidium + spore. ] (Bot.) A spore borne by a basidium. -- Ba*sid`i*o*spor"ous a. [1913 Webster]

adj. of or pertaining to a basidiospore. [ WordNet 1.5 ]

n. [ Bromide + idiom. ] A conventional comment or saying, such as those characteristic of bromides{ 2 }; a bromide{ 3 }. [ Slang ] [ Webster 1913 Suppl. +PJC ]

a. [ Cf. F. candiote. ] Of or pertaining to Candia; Cretary. [ 1913 Webster ]

n. [ Gr. kardi`a heart + -gram. ] (Physiol.) Any instrumental record made of heart activity, especially the curve or tracing made by a cardiograph. Sometimes used synonymously with electrocardiogram. [ Webster 1913 Suppl. +PJC ]

n. [ Gr. kardi`a heart + -graph. ] (Med.) An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements. [ 1913 Webster ]

a. (Physiol.) Of or pertaining to, or produced by, a cardiograph. [ 1913 Webster ]

n. 1. Description of the heart. [ Webster 1913 Suppl. ]

2. (Physiol.) Examination of heart activity using a cardiograph. [ Webster 1913 Suppl. ]

n. [ Gr. kardio-eidh`s heart-shaped; kardi`a heart + e'i^dos shape. ] (Math.) An algebraic curve, so called from its resemblance to a heart. [ 1913 Webster ]

a. (Physiol.) Checking or arresting the heart's action. [ 1913 Webster ]

n. [ Gr. kardi`a heart + -ology. ] The science which treats of the heart and its functions. [ 1913 Webster ]

n. [ Gr. kardi`a heart + -metry. ] (Med.) Measurement of the heart, as by percussion or auscultation. [ 1913 Webster ]

n. An emergency procedure to revive heart and lung function in persons whose heart has apparently stopped beating, involving forced respiration, periodic pressure on the heart by pushing on the chest, and sometimes electrical or mechanical equipment. It is often referred to by the acronym CPR. [ PJC ]

adj. Of or pertaining to or affecting both the heart and the lungs and their functions; as, cardiopulmonary resuscitation. [ WordNet 1.5 ]

‖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 ]

prop. n. A genus of tendril-climbing herbs or shrubs whose seeds have a white heart-shaped spot.
Syn. -- genus Cardiospermum. [ WordNet 1.5 ]

n. A combination of cardiograph and sphygmograph. [ 1913 Webster ]

adj. Of or pertaining to or involving the heart and blood vessels; as, cardiovascular conditioning. [ WordNet 1.5 ]

{ } a. [ Pref. cata + dioptric: cf. F. catadioptrique. ] (Physics) Pertaining to, produced by, or involving, both the reflection and refraction of light; as, a catadioptric light. Hutton. [ 1913 Webster ]