Intertidal Zone

Science / Tides and Currents / Intertidal Zone: (technical definition) The zone between the mean higher high water and mean lower low water lines.

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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Littoral Zone

Science / Tides and Currents / Littoral Zone: In coastal engineering, the area from the shoreline to just beyond the breaker zone. In biological oceanography, it is that part of the benthic division extending from the high water line out to a dep 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

Subduction Zone

Science / Geology / Subduction Zone: An area at a convergent plate boundary where an oceanic plate is being forced down into the mantle beneath another plate. These can be identified by a zone of progressively deeper earthquakes. MORE

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

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

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