释义 |
point of no return
point of no returnn. pl. points of no return 1. The point in a course of action beyond which reversal is not possible.2. The point in the flight of an aircraft beyond which there is insufficient fuel for return to the starting point.point of no return n 1. a point at which an irreversible commitment must be made to an action, progression, etc 2. a point in a journey at which, if one continues, supplies will be insufficient for a return to the starting place point′ of no′ return′ n. 1. the point in a flight at which an aircraft will lack sufficient fuel to return to its starting point. 2. the critical point in an undertaking where one has committed oneself irrevocably to a course of action. [1940–45] point of no returnA point along an aircraft track beyond which its endurance will not permit return to its own or some other associated base on its own fuel supply.ThesaurusNoun | 1.point of no return - a line that when crossed permits of no return and typically results in irrevocable commitmentRubicondividing line, demarcation, contrast, line - a conceptual separation or distinction; "there is a narrow line between sanity and insanity" | Translationspuntopunto dal quale non si torna indietroragionepoint of no return
the point of no returnA point at which it is impossible to reverse one's actions or return to one's starting point. This is the point of no return. If we sign this agreement, we are committed for the long haul. The climbers had reached the point of no return. At this stage, they either had to reach their destination, or die trying.See also: no, of, point, returnpoint of no returnthe halfway point; the point at which it is too late to turn back. (Often with past.) The flight was past the point of no return, so we had to continue to our destination. The entire project is past the point of no return; we will have to continue with it.See also: no, of, point, returnpoint of no returnThe place in a course of action beyond which reversal is not possible. For example, Once the contract is signed, we've reached the point of no return. This expression comes from aviation, where it signifies the point where an aircraft does not have enough fuel to return to the starting point. [c. 1940] See also: no, of, point, returnpoint of no return the point in a journey or enterprise at which it becomes essential or more practical to continue to the end.See also: no, of, point, return(get to, reach, etc.) the ˌpoint of ˌno reˈturn the time when you must continue with what you have decided to do, because it is not possible to get back to an earlier situation: We’ve invested so much in the project that we simply must finish it. We’ve reached the point of no return.See also: no, of, point, returnpoint of no return, theA critical point that, if passed, allows for no reversal of direction or decision. This term comes from aviation, where it means the point in a flight beyond which there would no longer be fuel enough to return to the starting place. It originated among aviators during World War II. John P. Marquand used it as the title of a novel (1949). See also: no, of, pointpoint of no return
point of no return[′pȯint əv ¦nō ri′tərn] (navigation) A point along an aircraft track beyond which the aircraft's fuel supply will not permit it to return to its own or some other associated base but must continue in attempt to reach its destination. point of no return (PNR)The farthest point along a track to which an aircraft can fly and still return to the base with adequate fuel reserves. PNR invariably lies beyond the critical point unless the minimum reserve of fuel is carried. While there are many formulas for calculating PNR, the illustration indicates one in the simplest case, when an aircraft is flying from A to B in a straight line. See also critical point.point of no return
point of no returnA colloquial term for a critical biochemical event that indicates lethal, irreversible changes in cells following ischemic cell injury.See also: pointFinancialSeePointAcronymsSeePNRpoint of no return
Synonyms for point of no returnnoun a line that when crossed permits of no return and typically results in irrevocable commitmentSynonymsRelated Words- dividing line
- demarcation
- contrast
- line
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