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The collection and study of postcards.

[From Greek deltion, diminutive of deltos, writing tablet, letter.]

del′ti·ol′o·gist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Other Non-sporting Hobbies) the collection and study of picture postcards
[C20: from Greek deltion, diminutive of deltos a writing tablet + -logy]
ˌdeltiˈologist n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


the collecting of picture postcards.
See also: Collections and Collecting
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
That's the other joy of deltiology: there is such an incredibly diverse range of categories, and while it's possible to pay PS50 or more for some, thousands of others can be had for prices starting at 50p.
Many of his collection are from the Golden Age of postcards which, in terms of Deltiology - the study and collection of postcards - is from 1898 to 1919.
This heralded an explosion in the production of picture postcards, and the appearance of a new hobby - postcard collection, or deltiology. The years from 1980 to 1914, just before the outbreak of the First World War, proved to be the golden age of the picture postcard.
The passion for the colourful and often bawdy postcards gave rise to deltiology - the practice of collecting postcards.
For 46 years I have been fascinated with the hobby of deltiology, the collecting of postcards.
Deltiology - postcard collecting to you and me - is an increasingly popular pastime and in the past few years the low prices of cards have started to creep up.