Science / Marine Biology / Sunlight Zone: See Photic Zone.
Search Google for Sunlight 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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Science / Biology / Photic Zone: The layer of the ocean that is penetrated by sunlight; extends to a depth of about 200 meters. MORE
Entertainment / Photography / Synchro-Sunlight: System of combining daylight and flash to achieve a controlled lighting ratio. MORE
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
Science / Marine Biology / Sunlight Zone: See Photic Zone. MORE
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
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