bottom time

noun Scuba Diving.

the total time, in minutes, from the beginning of a descent to the beginning of an ascent.

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Nearby words

bottom of the barrel, bottom of the ladder, bottom out, bottom quark, bottom round, bottom time, bottom yeast, bottom-feeding, bottom-fish, bottom-liner, bottom-of-the-line

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019