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deltiology

American  
[del-tee-ol-uh-jee] / ˌdɛl tiˈɒl ə dʒi /

noun

  1. the hobby of collecting post cards.

deltiology British  
/ ˌdɛltɪˈɒlədʒɪ /

noun

  1. the collection and study of picture postcards

"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

Other Word Forms

  • deltiological adjective
  • deltiologist noun

Etymology

Origin of deltiology

1945–50; < Greek deltí ( on ), diminutive of déltos writing tablet + -o- + -logy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.