absolute ceiling
noun
Originally Aeronautics the maximum altitude at which an aircraft can maintain horizontal flight in standard atmospheric conditions; (now usually) figurative a prescribed upper limit.
Origin
Early 20th century.
| 单词 | absolute ceiling |
| 释义 | absolute ceilingnoun Originally Aeronautics the maximum altitude at which an aircraft can maintain horizontal flight in standard atmospheric conditions; (now usually) figurative a prescribed upper limit. Origin |
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