Similar words: underground, underground cable, ground, grounds, aground, underground railroad, grounded, groundhog. Meaning: n. the solid part of the earth's surface.
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(31) The trick to mastering backflips on a trampoline is to practice each phase of a back handspring on solid ground before putting it all together.
(32) Whooper swans take off mostly on water, but can do so on solid ground, using a short run and beating their massive wings to achieve liftoff.
(33) He is on solid ground when he writes about the details of Milton's life.
(34) High-arsenic concentrates can be smelted to white metal in a cyclonic reactor, and the solid ground white metal be converted to blister copper in a second cyclonic unit.
More similar words: underground, underground cable, ground, grounds, aground, underground railroad, grounded, groundhog, foreground, groundnut, rapid growth, ground crew, groundless, to the ground, groundwork, overground, on the ground, background, ground beef, gain ground, campground, ground zero, fairground, run aground, playground, ungrounded, break ground, common ground, ground plane, groundwater.