| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024zinc /zɪŋk/USA pronunciation n. - Chemistry[uncountable] a bluish-white metallic element, used in making galvanized iron, brass, and other materials and as an element in voltaic cells.
WordReference Random House Unabridged Dictionary of American English © 2024zinc (zingk),USA pronunciation n., v., zincked or zinced (zingkt),USA pronunciation zinck•ing or zinc•ing (zing′king).USA pronunciation n. - Chemistrya ductile, bluish-white metallic element: used in making galvanized iron, brass, and other alloys, and as an element in voltaic cells. Symbol: Zn;
at. wt.: 65.37;
at. no.: 30;
sp. gr.: 7.14 at 20°C. - Electricitya piece of this metal used as an element in a voltaic cell.
v.t. - to coat or cover with zinc.
- German Zink, perh. derivative of Zinke(n) prong, tine, from the spikelike form it takes in a furnace
- 1635–45
Collins Concise English Dictionary © HarperCollins Publishers:: zinc /zɪŋk/ n - a brittle bluish-white metallic element that becomes coated with a corrosion-resistant layer in moist air and occurs chiefly in sphalerite and smithsonite. It is a constituent of several alloys, esp brass and nickel-silver, and is used in die-casting, galvanizing metals, and in battery electrodes. Symbol: Zn; atomic no: 30; atomic wt: 65.39; valency: 2; relative density: 7.133; melting pt: 419.58°C; boiling pt: 907°C
- informal corrugated galvanized iron
Etymology: 17th Century: from German Zink, perhaps from Zinke prong, from its jagged appearance in the furnaceˈzincic, ˈzincous, ˈzincoid adj ˈzincky, ˈzincy, ˈzinky adj |