单词 | reciprocating |
释义 | reciprocatingadj.ΘΚΠ the world > movement > motion in a certain direction > backward movement > [adjective] > flowing reciprocating1614 1614 W. Lithgow Most Delectable Disc. Peregrination sig. G1v Those that got to land, were pulled backe by the reciprocating [printed reciprocrating] waues. 2. a. Moving backwards and forwards; characterized by alternation in movement or action; oscillating; (of a spring, well, etc.) flowing intermittently. Now chiefly Mechanics and Engineering. ΘΚΠ the world > movement > motion in specific manner > alternating or reciprocating motion > [adjective] > alternating or reciprocating reciprocal1594 reciprocating1656 reciprocatory1826 1656 tr. T. Hobbes Elements Philos. iv. xxix. 365 The Sound will both continue, and grow weaker and weaker, till at last the action of the reciprocating aire grow so weak, as to be unperceptible. 1697 J. Dryden tr. Virgil Georgics iv, in tr. Virgil Wks. 129 One brawny Smith the puffing Bellows plyes; And draws, and blows reciprocating Air. View more context for this quotation 1759 B. Martin Nat. Hist. Eng. I. 26 From Waters gathered in the subterraneous Basons in this Hill, proceeds this wonderful reciprocating Fountain. 1766 S. Chandler Crit. Hist. Life David II. ii. 9 (note) The reciprocating motion of the buckets of a well, one descending as the other rises, and vice versa. 1815 J. Smith Panorama Sci. & Art II. 128 The intermittent or reciprocating wells which..are to the vulgar so much the objects of wonder, are well accounted for on the principle of the siphon. 1830 H. Kater & D. Lardner Treat. Mechanics xviii. 247 Reciprocating circular motion is seen in the pendulum of a clock. 1912 P. A. Amos Processes of Flour Manuf. xii. 86 The reciprocating sieve or sifter is one of the oldest forms of grader or separator. 1956 R. H. Dipple Process Planning iii. 33 Surface grinding machines are of two main types, reciprocating table as in milling and rotary table as in vertical boring. 2001 R. W. Cahn Coming of Materials Sci. x. 405 The Toepler pump..is a form of piston pump in which the reciprocating piston consists of mercury. b. Mechanics and Engineering. Of a machine: having a reciprocating part or parts; spec. one in which a working fluid drives an oscillating piston. ΘΚΠ society > occupation and work > equipment > machine > types of machine generally > [adjective] > other types stout1702 multiplying1767 reciprocating1768 locomotive1800 centripetal1835 self-contained1839 uniplane1843 high-speed1844 powered1847 flexible1859 undergrounda1884 chip-proof1901 portable1913 batch1940 closed-loop1958 interactive1967 1768 J. Robison Let. 8 July in E. Robinson & D. McKie Partners in Sci. (1970) 13 Boulton..has finished a building for one of your reciprocating Engines. 1778 W. Pryce Mineralogia Cornubiensis 313 In conjunction with Mr. Boulton.., he [sc. Watt] completed both a reciprocating and a rotative or wheel engine. 1825 ‘J. Nicholson’ Operative Mechanic 441 Reciprocating saw-mills, for cutting timber,..do not exhibit much variety in their construction. 1847 C. Holtzapffel Turning & Mech. Manip. II. xxvii. 739 (heading) Rectilinear, or reciprocating, saw machines. 1873 J. Richards On Arrangem. Wood-working Factories 153 For the lighter class of work..the reciprocating machine is best. 1911 Encycl. Brit. XXV. 824/1 The rapid development of the marine steam turbine makes it probable that it will displace the reciprocating engine in all large and fast ships. 1989 Atlantic Sept. 97/1 I used a tool called a reciprocating saw to cut a big hole in a wall between two rooms. 2003 Navy News Sept. 7/3 The power pack, so called, comprised open front boilers and triple expansion reciprocating engines. 3. Responding in kind; characterized by return or exchange. ΘΚΠ the world > relative properties > relationship > correlation > [adjective] > mutual or reciprocal evena1425 interchangeablec1450 relativea1500 reciprocativea1504 mutual1513 reciproque?1533 reciprocous1567 requiteda1586 intermutual1595 alternate1600 commutual1604 vicissitudinary1629 reciprocal1632 reflexivea1635 reciprocated1663 related1671 mutuous1683 turn about1802 interdependent1817 interrelated1827 reciprocating1827 reciprocate1833 transmutuala1834 reflective1839 interpendent1855 interradiating1858 two-way1950 1827 R. Craig in Mem. (1862) 93 A false religion cannot exist without its [sc. Despotism's] reciprocating support. 1858 W. Arnot Laws from Heaven 2nd Ser. xxiii. 193 Sellers and buyers alike would be ashamed..to begin, in this form, the reciprocating series of deceit. 1915 R. S. Bourne in Atlantic Monthly Sept. 388/2 ‘Social democracy’..means a freely coöperating, freely reciprocating society of equals. 1980 J. H. Crook Evol. Human Consciousness iv. 77 Collaboration is thus a mutual matter between animals well known to one another who have established a reciprocating relationship. 2000 Globe & Mail (Toronto) (Nexis) 25 Mar. a19 Beauty becomes his idealized companion, the worthy and reciprocating love so cruelly absent from real life. 4. Logic. Of a proposition, etc.: = convertible adj. 1b. Cf. reciprocal adj. 8. ΘΚΠ the mind > mental capacity > philosophy > logic > logical proposition > conversion of a proposition > [adjective] > convertible or inconvertible reciprocal1588 convertible1609 conversiblea1660 inconvertible1847 reciprocating1850 1850 W. Fitzgerald Notes in W. Fitzgerald tr. Aristotle Ηθικων Αρετων Υποτυπωειε 148 Take, for example. Lib. x. c. 1, οἱ μὲν γὰρ τἀγαθον ἡδονὴν λέγουσιν, where, the proposition being reciprocating, we should expect τὴν ἡδονήν. 1864 F. C. Bowen Treat. Logic iv. 93 Reciprocating, Convertible or Coextensive Concepts are those which have precisely the same Extension. 1975 H. Wald Introd. Dialectical Logic vi. 143 Even though it has a simply convertible, reciprocating judgment as a logical form, the definition cannot be reduced to tautology, as neopositivistic logicians claim. 2003 P. M. Hood Aristotle on Category Relation (2004) ii. 32 Aristotle understands that on their own, the words ‘knowledge’ and ‘knowable’ are not properly reciprocating (or convertible) expressions. This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022). < adj.1614 |
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