Standard Lemma guide

atomitat

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /əˈtɑː.mɪ.tæt/

1

noun

Meaning 1

A luxury underground bunker; an underground house designed for habitation during a nuclear fallout or other catastrophic event; a luxurious (and often large, homely) fallout shelter.

Definition source: English Wiktionary via Wiktextract

Usage: US, rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fallout shelter

History

Etymology

Blend of atomic + habitat. Coined around November 1961 by American architect Jay Swayze, originally as the name of his underground bunker and home in Plainview, Texas, which completed construction in 1962.