Cushioning material consisting of small spheres of air trapped in plastic, sold on long rolls for tearing off, and used as packaging for fragile items.

Alternative spelling of hubble-bubble

(astronomy) A region of interstellar space containing about one tenth the average density of matter of our galaxy.

plural of bubble butt

Sweetened tea with milk and tapioca pearls, often including fruit juice, syrup and other ingredients.

A very thin film of soapy water that forms a sphere with an iridescent surface. / (figuratively) Anything attractive but unsubstantial.

plural of warp bubble

(astrophysics, science fiction) A detached region of spacetime which is theoretically capable of moving faster than the speed of light.

(computing) A sorting algorithm in which pairs of neighboring values are compared and swapped into the right order if necessary in the innermost loop.

(military slang, derogatory) A submariner.