Tu·bu·lose Tu·bu·lous a.
 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.
 2. Containing, or consisting of, small tubes; specifically Bot., composed wholly of tubulous florets; as, a tubulous compound flower.
 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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