conductometer (konduktometer)

[Irreg. trum, measure.] An apparatus for ascertaining the relative conductivity of different materials, especially as regards heat. conductor (kon-duk'tor), n. [= F. conduct eur (> D. kondukteur = G. conduct eur = Dan. Sw. konduktör ), OF. conduit or, etc. (> ME. cond it our: see cond it our ), = Sp. Pg. conductor = It. conduttore, The muses. of human life. ought to be the leaders and conductors Bacon, Fable of Dionysius. You come (I know) to be my Lord Fernando's Conductor to old Cas silane. Beau, and Fl., Laws of Candy. Specifically-2t. A chief; a commander; one who leads an army. Gent. Who is conductor of his people? Kent. As 'tis said, the bastard son of Gloster. Shak ., Lear, iv. 7. I myself (though I say it), by my mother's side niece to a worshipful gentleman and a conductor ; he has been three times in his majesty's service at Chester, and is now the fourth time, God ble him and his charge, upon his journey. Beau . and Fl ., Knight of Burning Pestle, iii. 5. 3. A director or manager in general; a regulator. If he did not entirely project the union and regency, none will deny him to have been the chief conductor . Add is on. 4. The director of a chorus or an orchestra; one who indicates to the performers the rhythm and the expre ion of a piece of concerted music by means of motions of the hands or of a baton. The office of conductor in the modern sense was not clearly distinguished from that of leader until about 1800; formerly the leader played an instrument, usually the harpsichord. 5. The chief official on a railroad-train, who directs, and is responsible for the execution of orders concerning, the movements of the train, and usually collects tickets or fares; hence, one who performs similar duties on a street-car, etc. The duties of the guard on European railways are similar, but le comprehensive. [U. S.] -6. That which conducts or transmits in any manner; specifically, in physics, a body that conducts or transmits through its substance energy in any of its forms: as, metals are con ductors of electricity and of heat; water is a good conductor of sound. See conductivity. If several conductors terminate at the same point, the sum of the currents, counted from this point, is zero. At kins on , tr. of Mascart and Joubert, I. 194. Hence-7. A lightning-rod.-8. In surg ., an instrument formerly used in the high operation for stone in the bladder. - Capacity of a conduc tor. See capacity. - Conductor's part, in music, a con densed score written on two staffs only, for the use of the conductor.-Pneumatic conductor, a fan-blower and tube for carrying off foul air, fire-damp, smoke, etc. Such conductors are used in connection with the dry grindstones employed in some departments of cutlery.- Prime conductor, that part of an electric machine which collects and retains the electricity. conductor-head (kon-duk'tor-hed), n. A combined funnel, spout, and pipe for liquids, used in creameries. conductory