sheet metal slotted and stretched to make a stiff network with openings of various patterns, used for lathing, wastebaskets, and various decorative and semistructural applications.
an open mesh of metal produced by stamping out alternating slots in a metal sheet and stretching it into an open pattern. It is used for reinforcing brittle or friable materials and in fencing
noun 1. plastic that is made light and spongy by the introduction of pockets of gas or air.
[ik-span-der] /ɪkˈspæn dər/ noun 1. a person or thing that . 2. Also, expandor. Electronics. a transducer that produces an output with a range of voltages greater than that of the input signal. Compare (def 5). /ɪkˈspændə/ noun 1. a device for exercising and developing the muscles of the body: a chest expander 2. an […]
noun, Astronomy. 1. a concept or representation of the universe, based on the observed redshifts of distant galaxies, in which the galaxies are assumed to be receding from each other at a speed proportional to their separation as a result of the expansion of the universe.
- Expanding universe theory
noun 1. the theory, developed from the observed red shifts of celestial bodies, that the space between galaxies is expanding, so that they appear to recede from us at velocities that increase with their distance See also oscillating universe theory expanding universe theory (ĭk-spān’dĭng)