isosteric

/ˌaɪsəˈstɛrɪk/
adjective
  1. Having the same number of atoms or electrons in a similar arrangement, used especially in chemistry to describe molecules with similar shapes and properties.
    • The isosteric relationship between these two compounds explains why they bind to the same receptor.
    • Chemists often replace one atom with an isosteric one to create a new drug with similar effects.
    • Carbon monoxide and nitrogen gas are isosteric because they have the same number of electrons.
Synonyms
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