| 释义 |
ˈrain-out
Also rainout.
[f. rain v. + out adv.]
1. U.S. The termination or cancellation of an outdoor event because of rain. Cf. rain v. 9 b.
1947Richmond (Va.) Times-Dispatch 1 June 12-c/3 Barring professional uncertainties such as rainouts, wrecks, engine trouble, etc., a racer has a chance for good money. 1967Boston Sunday Herald 14 May ii. 3/5 National League figures show the senior circuit was hit hardest with 20 rainouts compared with 11 for the same period last year. 1977New Yorker 15 Aug. 24/3 The day after the rainout, the sun emerged, and that evening Jimmy Buffett and his band, the Coral Reefers, finally made it to Wollman Memorial Rink, in Central Park.
2. [After fall-out.] Incorporation into raindrops of radioactive debris from a nuclear explosion and its localized deposition on the Earth's surface (see quot. 1974).
1954Science 7 May 619/1 The extent of the rainout was much greater than that detected in the area from any previous nuclear detonation. Ibid. 620/1 Although there were several days of rain immediately after the rainout, the activity was firmly adsorbed on the pavement and disappeared at a rate about equal to that for decay alone. 1955Sci. News Let. 25 June 406/3 ‘Rain-out’ might take place instead of fallout, Dr. Lapp suggested, thus producing localized areas of contamination ‘hotter’ than the surrounding region by a factor of ten or more. 1974Population Dose Evaluation 492 Several mechanisms have been conceived for deposition from the atmosphere to the earth's surface. In addition to dry deposition, there is washout by rain falling through a cloud of activity in the atmosphere, or rainout in which the activity is incorporated into rain drops at the time of their formation. |