Deltiology
//ˌdɛltɪˈɒlədʒɪ// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The study and collection of postcards. uncountable
Etymology
Formed by suffixing the Ancient Greek δελτίον (deltíon) (deltion; the diminutive form of δέλτος (déltos), deltos, “writing tablet”) with the English -logy.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.