A head is one of the end caps on a cylindrically shaped pressure vessel. The body is short, stout and cylindrically depressed. A sylphon is an old name for a cylindrically symmetrical metal bellows. The hyaline spores are constant or crooked cylindrically. It produces axillary, solitary inflorescences with cylindrically shaped pale-yellow flower-heads. The simple inflorescences are long cylindrically shaped flower-spikes. The van Stockum dust is a cylindrically symmetric rotating dust. For instance, cylindrically symmetric gratings couple symmetric LP0m modes of the fiber. This expression is generally nonvanishing when the wave is not cylindrically symmetric. Some are hollow cylindrically shaped soda straws, formed by escaping gases. "C. geographus" has a broad, thin shell, cylindrically inflated. This cylindrically shaped detector consists of three layers of silicon panels (strips). A spindle, in furniture, is a cylindrically symmetric shaft, usually made of wood. The large, thin shell is cylindrically inflated. The petals are narrow and folded cylindrically and the bracts have a cobwebby pubescence.