| 单词 | critical density |
| 释义 | critical density [`krid·ǝ·kǝl `den·sǝd·ē] ASTRONOMY The mass density above which, it is believed, the expansion of the universe will slow down and reverse. CHEMISTRY The density of a substance exhibited at its critical temperature and critical pressure. CIVIL ENGINEERING For a highway, the density of traffic when the volume equals the capacity. GEOLOGY That degree of density of a saturated, granular material below which, as it is rapidly deformed, it will decrease in strength and above which it will increase in strength. THERMODYNAMICS The density of a substance at the liquid-vapor critical point. |
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