| jar | 1. A deep, broad-mouthed vessel of earthenware or glass, for holding fruit, preserves, etc, or for ornamental purposes; as, a jar of honey; a rose jar. 2. The measure of what is contained in a jar; as, a jar of oil; a jar of preserves. Bell jar, Leyden jar. Origin: F. Jarre, Sp. Jarra, from Ar. Jarrah ewer; cf. Pers. Jarrah. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| jar-owl | <zoology> The goatsucker. Source: Websters Dictionary (01 Mar 1998) |
| jararaca | <zoology> A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish colour, variegated with red and black spots. Origin: Pg, from the native name. Source: Websters Dictionary (01 Mar 1998) |
| jardiniere | An ornamental stand or receptacle for plants, flowers, etc, used as a piece of decorative furniture in room. Origin: F, fem. Of jardinier gardener. See Garden. Source: Websters Dictionary (01 Mar 1998) |
| jards | <veterinary> A callous tumour on the leg of a horse, below the hock. Origin: F. Jarde, jardon. Source: Websters Dictionary (01 Mar 1998) |
| jargon | <chemical> A variety of zircon. See Zircon. Origin: E.jargon, It. Jiargone; perh. Fr. Pers. Zargn gold-coloured, fr. Zar gold. Cf. Zircon. Source: Websters Dictionary (01 Mar 1998) |
| jargon aphasia | A form of aphasia characterised by an inability to construct a grammatical sentence, and the use of unintelligible or incorrect words; caused by a lesion in the dominant temporal lobe. Synonym: agrammatica, agrammatologia, jargon aphasia. (05 Mar 2000) |
| Jarisch, Adolf | <person> Austrian dermatologist, 1850-1902. See: Jarisch-Herxheimer reaction, Bezold-Jarisch reflex. (05 Mar 2000) |
| Jarisch-Herxheimer reaction | An inflammatory reaction in syphilitic tissues (skin, mucous membrane, nervous system, or viscera) induced in certain cases by specific treatment with Salvarsan, mercury, or antibiotics; believed to be due to a rapid release of treponemal antigen with an associated allergic reaction in the patient. Synonym: Jarisch-Herxheimer reaction. (05 Mar 2000) |
| Jarjavay's ligament | A fold of peritoneum, containing the rectouterine muscle, passing from the sacrum to the base of the broad ligament on either side, forming the lateral boundary of the rectouterine (Douglas') pouch. Synonym: plica rectouterina, Douglas' fold, Jarjavay's ligament, Petit's ligament, rectouterine fold, uterosacral ligament. (05 Mar 2000) |
| Jarjavay, Jean | <person> French anatomist and surgeon, 1815-1868. See: Jarjavay's ligament. (05 Mar 2000) |
| jarnut | <botany> An earthnut. Origin: Of Scand. Origin: cf. Dan. Jordnod. Source: Websters Dictionary (01 Mar 1998) |
| jarosite | <chemical> An ocher-yellow mineral occurring on minute rhombohedral crystals. It is a hydrous sulphate of iron and potash. Origin: From Barranco Jaroso, in Spain. Source: Websters Dictionary (01 Mar 1998) |
| jarrah | The mahoganylike wood of the Australian Eucalyptus marginata. See Eucalyptus. Source: Websters Dictionary (01 Mar 1998) |
| Jarvik artificial heart | A pneumatic artificial heart. (05 Mar 2000) |
| bell jar | <physics> A glass vessel, varying in size, open at the bottom and closed at the top like a bell, and having a knob or handle at the top for lifting it. It is used for a great variety of purposes; as, with the air pump, and for holding gases, also for keeping the dust from articles exposed to view. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| varney jar | <apparatus> A jar used for anaerobic experiments or processes, the jar is made oxygen-free through phosphorous combustion. (09 Oct 1997) |
| heel jar | The patient standing on tiptoe feels pain on suddenly bringing the heels to the ground: in the spine in Pott's disease or disk space infection, in one lumbar region in renal calculus. (05 Mar 2000) |
| sealed jar technique | A technique for producing suspended animation in small experimental animals, consisting of sealing the animal in a jar which is then refrigerated. (05 Mar 2000) |