What the acronym stands for
Merriam-Webster and American Heritage expand scuba as “self-contained underwater breathing apparatus.”
scuba
An acronym for “self-contained underwater breathing apparatus,” with first-known-use dates of 1952 in Merriam-Webster and Etymonline and 1956 for scuba-diving in Etymonline.
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Word-history steps
The sequence below summarizes the cited forms, dates and evidence. It is not a complete scholarly history.
- Expansionself-contained underwater breathing apparatusMerriam-Webster and American Heritage expand scuba as “self-contained underwater breathing apparatus.”
- First-known use1952Merriam-Webster and Etymonline give 1952 as first-known use; treat it as dictionary evidence, not exact coinage.
- Scuba-diving1956Etymonline separately dates scuba-diving to 1956; the reviewed sources give no individual coinage attribution.
An acronym with dictionary-documented dates
Merriam-Webster and American Heritage expand scuba as “self-contained underwater breathing apparatus.” Merriam-Webster and Etymonline give 1952 as first-known use; Etymonline separately gives scuba-diving 1956. These dates are dictionary evidence, not proof of an exact coinage event, and no individual coinage attribution is given in the reviewed sources.
This page summarizes the cited sources. Follow each source for its full wording, notes and references.
More from the cited entries
Word-specific details from cited sources, with sources named beside each claim.
What the dates show
Merriam-Webster and Etymonline give 1952 as first-known use.
Etymonline separately gives scuba-diving 1956.
These dates are dictionary evidence, not proof of an exact coinage event, and the reviewed sources give no individual coinage attribution.
Keep reading the method
Scuba is an acronym documented in dictionaries. The reviewed sources give first-known-use dates but no individual coinage attribution, and dictionary dates are evidence rather than proof of an exact coinage event. When initials become words: acronyms and initialisms
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