innertube

From Wiktionary, the free dictionary
Jump to navigation Jump to search
See also: inner tube

English

[edit]

Etymology

[edit]

From inner +‎ tube.

Pronunciation

[edit]
  • Audio (US):(file)

Noun

[edit]

innertube (plural innertubes)

  1. In a pneumatic tire, the rubber liner that holds the air.
  2. This rubber liner, used without the tire on water as a flotation aid.