Is Appendix Singular or Plural?

Is Appendix Singular or Plural?

usage note for appendix
Appendices, a plural borrowed directly from Latin, is the usual plural, especially in scholarly writing, when referring to supplementary material at the end of a book. Appendixes is the usual plural in the anatomical meaning.

Whats the plural of appendix?

noun. ap·​pen·​dix | \ ə-ˈpen-diks \ plural appendixes or appendices\ ə-​ˈpen-​də-​ˌsēz \ Essential Meaning of appendix.

Which is correct appendices or appendix?

"Both are correct plural forms for appendix, but appendixes is preferable outside scientific contexts […] ... "Appendix typically has the plural appendixes in the anatomical sense, and appendices when referring to a part of a book or document."

Sophia Al-Mansoor
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Sophia Al-Mansoor

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.