booklouse

or book louse

[ book-lous ]
/ ˈbʊkˌlaʊs /

noun, plural book·lice [book-lahys]. /ˈbʊkˌlaɪs/.

any of numerous minute, wingless insects of the order Psocoptera, often living among books or papers.

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Origin of booklouse

First recorded in 1865–70; book + louse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for booklouse

booklouse
/ (ˈbʊkˌlaʊs) /

noun plural -lice

any small insect of the order Psocoptera, esp Trogium pulsatorium (common booklouse), a wingless species that feeds on bookbinding paste, etc
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