double bubble

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double bubble (radiology)

Wikipedia

double bubble (countable and uncountable, plural double bubbles)

(radiology) The presence of two air-filled bubbles in the abdomen, often indicating various pathological conditions.
(aviation) A fuselage formed from two conjoined hulls.
(slang) Overtime paid at twice the normal rate.
- 2012, Brandon Massey, Voices From The Other Side, page 176:
  I feel you, man. But if you don't want the overtime, I'll work a double-bubble for you. Cool?
- 2017, Tim O'Rourke, The Mirror Realm:
  He had been on leave, but when his supervisor had called him at home and offered him 'double-bubble' overtime to cover a colleague who had gone sick, he had been unable to refuse.
(mathematics) A certain meeting of spherical surfaces, relevant to the double bubble conjecture.

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