Low-Velocity Zone

Science / Geology / Low-Velocity Zone: A zone within the upper mantle where seismic wave velocities are relatively low. This zone is located about 35 to 155 miles below the surface.

Other Words for Zone

Zone Noun Synonyms: area, quarter, district, region, sector, section, sphere, belt, territory, province, realm, domain, precinct, bailiwick, department, terrain, circle, locality, locale, turf
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Target Heart Rate Zone

Health / Fitness / Target Heart Rate Zone: The number of heartbeats per minute reflecting the exercise intensity that gains the maximum training benefits from an aerobic workout. The formula for obtaining a target heart rate equals 220 minus y MORE

Surf Zone

Science / Geology / Surf Zone: An area of breaking waves bounded by the point of first breakers, then landward to the maximum uprush of waves on the beach. MORE

Sunlight Zone

Science / Marine Biology / Sunlight Zone: See Photic Zone. MORE

Target Zone Arrangement

Business / Finance / Target Zone Arrangement: In the context of takeovers, the price at which an acquirer aims to buy a target firm. In the context of options, the price of the underlying security at which an option will become in the money. In t MORE

Twilight Zone

Technology / Aviation / Twilight Zone: Long before Rod Serling's tv series was this consumer-lever definition for a glitch in the ADCOCK RANGE, officially called a Bi-Signal Zone. It was a portion of the overlapping area of a beam where th MORE

Wrack Zone

Science / Marine Biology / Wrack Zone: A bank of accumulated litter at the strandline MORE

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