| 释义 |
refrigerant, a. and n.|rɪˈfrɪdʒərənt|
[a. F. réfrigérant (16th c.), or ad. L. refrīgerant-em, pr. pple. of refrīgerāre: see refrigerate v.]
A. adj.
1. a. Of medicinal agents or appliances: Cooling the body or part; allaying heat or fever. Also with property, etc.
1599A. M. tr. Gabelhouer's Bk. Physicke 324/2 And if you applye theron a refrigerante Playster cut then therin a hole. 1626Bacon Sylva §961 There be divers Sorts of Bracelets fit to Comfort the Spirits: And they be of three Intentions: Refrigerant, Corroborant, and Aperient. 1686Goad Celest. Bodies iii. i. 392 'Tis known to have a greater Virtue, as the Endive and Succory, to be refrigerant. 1765Gale in Phil. Trans. LV. 203 Every morning,..a portion of the refrigerant powder is given. 1804Med. Jrnl. XII. 406, I..sent a cathartic with a refrigerant lotion. 1861Bentley Man. Bot. 510 They generally possess refrigerant properties. 1875H. C. Wood Therap. (1879) 193 In fevers, lemonade often affords a very refreshing and useful refrigerant drink.
†b. Refreshing, otherwise than by cooling. Obs.
1626Bacon Sylva §788 Wherein you must beware of Dry Heat, and resort to Things that are Refrigerant with an inward Warmth and Vertue of Cherishing.
2. In general use: Cooling, producing coolness.
1766G. Canning Anti-Lucretius v. 339 In the recess of some refrigerant cave. 1830W. Phillips Mt. Sinai i. 383 The rays Fall mild, refrigerant.
B. n.
1. a. A medicinal agent or appliance employed to reduce abnormal heat, as in inflammation or fever; a cooling medicine.
1676Wiseman Surg. Treat. v. ix. 277 If the tumour be large, feel pappy and increase, notwithstanding your application of refrigerants, you may suspect [etc.]. a1763Shenstone Economy i. 168 In what lonely vale Of balmy med'cine's various field aspires The blest refrigerant? 1822Good Study Med. II. 519 The injury produced..by an injudicious use of evacuants and refrigerants. 1880Garrod & Baxter Mat. Med. 38 In a dilute form, [it is] a refrigerant, tonic, and astringent.
b. transf. or in general use: A means of cooling; esp. a cooling or refreshing drink.
1826Southey Vind. Eccl. Angl. 323 We read of Saints who resorted to such refrigerants as the ice bath and the bed of snow. 1841Lever C. O'Malley xxx, Discussing by way of refrigerant our eighth tumbler of whisky-punch. 1869O. W. Holmes Cinders fr. Ashes in Old Vol. of Life (1891) 245 The saline refrigerant struck a colder chill to my despondent heart.
c. fig. of immaterial things.
1783Blair Lect. xxxii. II. 191 This almost never fails to prove a refrigerant to passion. 1829Southey Sir T. More II. 397 It is a consideration, Sir Poet, which may serve as a refrigerant for their ardour.
†2. In distillation, a cooling vessel or apparatus at the head of a still; a refrigerator, refrigeratory.
1696in Phillips (ed. 5). 1727Bradley Fam. Dict. s.v. Distilling, The Parts of the Matters distill'd are raised up in the Form of Vapours,..and being sometimes help'd by a Refrigerant or Cooler, fall Drop by Drop into the Recipient.
3. A freezing agent; anything which reduces the temperature below freezing point. Also, a substance used as the working fluid in a refrigerator.
1885Sci. American 9 May 291/3 Some experiments recently made..appear to show that liquid oxygen is one of the best of refrigerants. 1901[see champagne gas]. 1926Encycl. Brit. III. 319/1 In the refrigerating cycle, the refrigerant is made to pass into the evaporating coils so as to enable heat to be absorbed from the commodity to be cooled. 1964Listener 7 May 776 (Advt.), ICI salesmen are today successfully selling..refrigerants to Icelanders (where you'd think it would be cold enough already). 1970Times 16 June 2/7 The water is mixed with a liquid hydrocarbon freezing agent such as butane. The refrigerant takes heat from the water which in turn produces ice crystals and concentrates unwanted solids and salts into a brine slurry. |