{ Tubulose (?), Tubulous (?), } a. [Cf. F. tubuleux. See Tubule.] 1. Resembling, or in the form of, a tube; longitudinally hollow; specifically (Bot.), having a hollow cylindrical corolla, often expanded or toothed at the border; as, a tubulose flower.
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2. Containing, or consisting of, small tubes; specifically (Bot.), composed wholly of tubulous florets; as, a tubulous compound flower.
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Tubulous boiler, a steam boiler composed chiefly of tubes containing water and surrounded by flame and hot gases; -- sometimes distinguished from tubular boiler.
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