Science / Weather / Omega Block: A warm high aloft which has become displaced and is on the polarward side of the jet stream. It frequently occurs in the late winter and early spring in the Northern Hemisphere. The name comes from its resemblance to the Greek letter, Omega, when analyzed on upper air charts.
Block Verb Synonyms: obstruct, close off, barricade, bar, shut off, hinder, hamper, balk, impede, prevent
Block Noun Synonyms: piece, chunk, hunk, lump, slab, stump, brick, cube
Science / Geology / Fault-Block Mountain: A mountain or range formed as a horst when it was elevated between parallel normal faults. MORE
Technology / Cell Phones / F PCS Block: The final PCS license that was auctioned by the FCC in January 1997. Each contains 10 MHz of spectrum in the 1900 MHz band and is based on BTA geographic partitions. The licenses were reserved for sma MORE
Technology / Television (TV) / Deep Space Blocking: A type of blocking associated with single-camera productions, particularly those shot on location. The depth of the 'set' is emphasized by the ability of one actor to be positioned near the camera and MORE
Business / Construction / Fire Block: Short horizontal members sometimes nailed between studs, usually about halfway up a wall. See also 'Fire stop'. MORE
Business / Machine Shop / Johannson Blocks (Jo Blocks): Common term for the precision gage blocks used and accepted as dimensional standards by machinists, toolmakers and inspectors. MORE