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subindex

[suhb-in-deks]
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noun, plural sub·in·dex·es, sub·in·di·ces [suhb-in-duh-seez] /sʌbˈɪn dəˌsiz/.
  1. an index to a part or subdivision of a larger category.
  2. inferior(def 11).
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Origin of subindex

First recorded in 1920–25; sub- + index
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for subindex

subindex

noun plural -dices (-dɪˌsiːz) or -dexes
  1. another word for subscript (def. 2)
  2. US an index to a subcategory
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012