| 释义 |
rehyˈdrate, v.
[re- 5 a.]
a. intr. To absorb water again, esp. after dehydration.
1923J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. III. 763 Crystals of the hemihydrate which practically re-hydrated on cooling. 1968Physics Bull. Dec. 430 Technical advances..have resulted in good products which rehydrate quickly.
b. trans. To add water to again after dehydration; esp. to restore (dehydrated food) to a palatable state by the addition of water.
1962F. I. Ordway et al. Basic Astronautics xiii. 521 The water necessary to rehydrate these processed foods can be recovered. 1965Listener 10 June 875/1 We saw the astronauts learning to rehydrate their plastic bagfuls of strawberry cereal. 1969New Scientist 16 Jan. 128/2 The food was shown to be fully dehydrated; and when later rehydrated it tasted excellent. 1971Sci. Amer. Aug. 18/3 The patient is first rehydrated by intravenous injection, if necessary, and is then fed the oral solution at the rate at which fluid is lost by diarrhea. 1978Jrnl. R. Soc. Med. LXXI. 223 He was given broad-spectrum antibiotics and rehydrated.
Hence rehyˈdratable a., that may be rehydrated; rehyˈdrated ppl. a.
1956Nature 4 Feb. 239/2 When a flake of magnesium vermiculite, which has been partially dehydrated to the phase containing single sheets of interlayer water molecules.., is allowed to become rehydrated, a dark line is observed to enter the flake at the edges and gradually converge on the centre. 1969New Scientist 16 Jan. 128/3 The rehydrated product should as far as possible be identical with the fresh product. 1970N. Armstrong et al. First on Moon vi. 127 U.S. choice beef was better for rehydratable meat cubes than prime, which had too much fat. 1975Radio Times 12–18 July 40 Menu [for U.S. astronauts], rehydratable romaine soup,..rehydratable coffee. 1975Daily Colonist (Victoria, B.C.) 12 July 1/2 The cosmonauts will dine on steak in plastic pouches, rye bread, cheese spread, rehydrated strawberries and tea with lemon and sugar [etc.]. |