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

Alternative spelling of hubble-bubble

plural of bubble butt

A small pocket of air inside a solid, a liquid or surrounded by a colloid within a larger fluid environment.

A rounded outline, containing words, representing speech in a cartoon.

A bubbling sound. / A hookah.

A bath in which an additive is poured directly into the water that creates bubbles. / A soap-based product to be added to a bath to create bubbles. / (Cockney rhyming slang) A laugh.

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.

(rail transport, informal) a single-car multiple unit / A small three-wheel motor vehicle in a category between a motorbike and a car

A culvert that is open to the air on top. / A commotion or controversy / Something that causes Effervescence. / An act or process of bubbling up.