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Manganese

['mæŋgəniːz] or [,mæŋɡə'niz]

解釋/意思:

(noun.) a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals.

編輯:朱利叶斯--From WordNet

解釋/意思:

(n.) An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.

錄入:莫伊拉

同義詞及近義詞:

n. Black oxide of manganese (the oxide having the same name as the metal), peroxide or deutoxide of manganese.

錄入:罗莎莉

解釋/意思:

n. a hard and brittle metal of a grayish-white colour somewhat like iron.—adjs. Manganē′sian Manganē′sic Mangan′ic Mang′anous; Manganif′erous.—n. Mang′anite gray ore of manganese used in glass manufacture.

手打:特伦斯

例句/造句/用法:

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