| 单词 | aluminum |
| 释义 | aluminum —aluminic /al'yeuh min"ik/, adj. /euh looh"meuh neuhm/, n. 1. Chem. a silver-white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most soil: used in alloys and for lightweight utensils, castings, airplane parts, etc. Abbr.: alum.; Symbol: Al; at. wt.: 26.98; at. no.: 13; sp. gr.: 2.70 at 20°C. adj. 2. of, pertaining to, or containing aluminum: an aluminum frying pan. Also, esp. Brit., aluminium. [1812; < NL, alter., by Humphry Davy, of alumium, which was first proposed; aluminium formed after other metals in -ium. See ALUMINA, -IUM] |
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