Ionic radius

离子半径

Explanation (EN)

The effective radius of an ion, derived from internuclear distances in ionic crystals; cations are smaller and anions larger than their atoms.

Explanation (ZH)

离子的有效半径,由离子晶体中的核间距离推得;阳离子比其原子小,阴离子比其原子大。

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It helps linguists, language learners, and educators accurately describe pronunciation across languages.

Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.