IPA: /ˈtjuːbɪŋ/
KK: /ˈtjuːbɪŋ/
A length or piece of hollow material, often used for carrying liquids or gases, or a recreational activity involving floating on water in an inflatable tube.
We went tubing down the river on a hot summer day.
Tubing → It is formed from "tube" (from Latin "tubus", meaning a pipe or hollow cylinder) and the suffix "-ing" (indicating the action or process of). The word "tubing" refers to the process or material related to the use of tubes.
Think of a 'tube' as a hollow cylinder, and remember that 'tubing' refers to the action or material involving tubes.