这个词是什么意思？
Nonionic surfactant mixtures varying in the number of repeating ethoxy (oxy-1,2-ethanediyl) groups. They are used as detergents, emulsifiers, wetting agents, defoaming agents, etc. Nonoxynol-9, the compound with 9 repeating ethoxy groups, is a spermatocide, formulated primarily as a component of vaginal foams and creams.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017137 · MeSH 2026。
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