minisub

American  

[min-ee-suhb] / ˈmɪn iˌsʌb /

noun

1. a small submarine, holding only one or a few persons, used in naval operations, underwater exploration, or conducting underwater experiments.

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Etymology

Origin of minisub

First recorded in 1955–60; mini- + sub

Example Sentences

Musk had also attempted to assist with the rescue, by building a “minisub,” with the notion that it could be used to ferry the children from the cave.

From The Verge

We’d heard testimony earlier that the minisub was built as a kind of plan B. After all that, Price asked Unsworth if it was still his opinion that Musk’s effort was a PR stunt.

From The Verge

Many of them are about the minisub — which is referred to variously as a minisub, a pod, or a tube, but which I will continue calling a minisub for consistency’s sake.

From The Verge

It was not found on the ice and a sweep of the seafloor with a minisub also found nothing.

From Scientific American

Related: Putin on a show: Russian president feeds personality cult with minisub trip – in pictures How can modern politics be shaped by such long-ago events?

From The Guardian