单词 | pulsometer |
释义 | pulsometern. 1. Medicine. An instrument for measuring the (rate of the) pulse; = pulsimeter n. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > specific measuring or recording > [noun] > specific measuring or recording instruments > for pulse or blood-flow pulse watch1706 pulsiloge1812 sphygmometer1834 pulsimeter1842 rheometer1847 haemodromometer1857 pulsometer1858 sphygmograph1860 haemotachometer1867 haemometer1872 angiograph1877 haemodromograph1888 phlebograph1893 oscillometer1910 1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 1043/2 Pulsometrum, term for an instrument for measuring or calculating the variations of the pulse: a pulsometer. 1959 Anaesthesia 14 400 (title) A light-energy powered pulsometer. 1974 BP Shield Internat. Oct. 12/1 Al checks his pulse on the pulsometer. 1997 Biol. Psychiatry 41 260/2 Pulse readings from an earlobe pulsometer were taken 1 min before inhalation. 2. More fully pulsometer pump. A kind of vacuum pump with two chambers into which steam enters and condenses, creating a partial vacuum which draws water, etc., up into the chambers, one being filled while the other is emptied. ΘΚΠ society > occupation and work > equipment > pump > [noun] > pumps for producing vacua vacuum pump1858 mercury pump1869 pulsometer1873 mercury vapour pump1926 roughing pump1958 1873 Manufacturer & Builder 5 220/3 The Pulsometer, or magic pump, a patent of one year, is a New York invention, and a very complete one. 1891 Daily News 2 Sept. 3/1 The water is heated by means of a horizontal tubular boiler, a six-horse power engine, a centrifugal pump, and two pulsometer pumps. 1908 A. J. Bowie Pract. Irrigation 116 The pulsometer, while simple in construction, is subject to the same objections as direct-acting pumps, being a heavy steam consumer. 1958 Chambers's Techn. Dict. 686 Pulsometer pump, a steam pump in which an automatic ball-valve..admits steam alternately to a pair of chambers. 1982 Gleaner (Kingston, Jamaica) 3 May 5/3 (advt.) Suppliers of Sigmund pulsometer pumps. 3. English regional. A kind of steam-powered bellows (see quot. a1903). rare. ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > forging equipment > bellows > types of Hessian bellows1705 piston bellows1850 pulsera1903 pulsometera1903 a1903 J. Turner in Eng. Dial. Dict. (1903) IV. 645/1 [N. Staffordshire] Pulsometer. Also in form pulser. A large machine similar in principle to a pair of smithy bellows, but worked by a steam-engine, used to ensure a steady blast in a forge or furnace. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < |
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