这个词是什么意思？
Chemical compounds which yield hydrogen ions or protons when dissolved in water, whose hydrogen can be replaced by metals or basic radicals, or which react with bases to form salts and water (neutralization). An extension of the term includes substances dissolved in media other than water. (Grant & Hackh's Chemical Dictionary, 5th ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000143 · MeSH 2026。
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