# deltiology

> English word · Noun · IPA /ˌdɛltɪˈɒlədʒɪ/

## Definitions
1. The study and collection of postcards.

## Etymology
Formed by suffixing the Ancient Greek δελτίον (deltíon) (deltion; the diminutive form of δέλτος (déltos), deltos, “writing tablet”) with the English -logy.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/deltiology