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holding tank

American  
[hohl-ding tangk] / ˈhoʊl dɪŋ ˌtæŋk /

noun

  1. a tank for the temporary storage of a substance.

  2. Also called holding pentank.


Etymology

Origin of holding tank

First recorded in 1970–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He believes high levels of gas were produced in the holding tank that exploded, which may have been ignited by a spark on the day of the incident.

From BBC • Mar. 31, 2025

“It looked like a shark attack,” said Alexander Halvorson, who was in the same holding tank waiting to go to court that day.

From Los Angeles Times • Mar. 28, 2025

Another detail the woman who turned us away never heard is that Clyde's birthday, listed on the name tag taped to his holding tank, is two days after RayRay's death.

From Salon • Dec. 6, 2024

To protect the male sea dragon from bumping the eggs off his tail, aquarists at the New England Aquarium moved him to his own smaller holding tank to be monitored.

From New York Times • Mar. 17, 2023

The air was stored in the airlock's holding tank.

From "The Martian" by Andy Weir