Lower Low Water Datum (LLWD)

Science / Tides and Currents / Lower Low Water Datum (LLWD): An approximation of mean lower low water that has been adopted as a standard reference for a limited area and is retained for an indefinite period regardless of the fact that it may differ slightly from a better determination of mean lower low water from a subsequent series of observations. Used primarily for river and harbor engineering purposes. Columbia River lower low water datum is an example.

Other Words for Low

Low Adjective Synonyms: short, squat, little, small, stubby, stumpy, stunted, low-lying
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Other Words for Lower

Lower Noun Synonyms: let or move or bring or put down, drop
Lower Verb Synonyms: drop, reduce, decrease, mark down, discount, lessen, diminish, downgrade, cut, slash
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Other Words for Water

Water Noun Synonyms: H2O, distilled water, tap water, drinking-water, bottled water, spa water, still water, soda (water), effervescent water, mineral water, sea water, salt water, ditch-water, dishwater, bath-water, branch water, Adam's ale, Latin a
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Plough, Plow

Business / Construction / Plough, Plow: To cut a lengthwise groove in a board or plank. An exterior handrail normally has a ploughed groove for hand gripping purposes MORE

Personal Allowance

Business / Debt / Personal Allowance: Tax allowances are concessions by the Inland Revenue which can be used to reduce a person's Taxable Income. The main allowance for taxpayers is the 'personal allowance'; which is an amount of income t MORE

Perched Water Table

Science / Geology / Perched Water Table: A water table that is isolated from and higher than the regional water table. This can occur when a hilltop is underlain by an impermeable rock unit. Infiltrating waters stack up on the impermeable un MORE

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