Mean River Level

Science / Tides and Currents / Mean River Level: A tidal datum. The average height of the surface of a tidal river at any point for all stages of the tide observed over the National Tidal Datum Epoch. It is usually determined from hourly height readings. Inrivers subject to occasional freshets, the river level may undergo wide variations and, for practical purposes, certain months of the year may be excluded in the determination of the tidal datum. For charting purposes, tidal datums for rivers are usually based on observations during selected periods when the river is at or near a low water stage.
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Other Words for Level

Level Verb Synonyms: aim, point, draw a bead, direct, train, focus
Level Noun Synonyms: horizontal, prone, supine
Level Adjective Synonyms: even, smooth, plane, uniform, plain, flat, flush, straight, true
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Other Words for Mean

Mean Noun Synonyms: intend, design, purpose, plan, aim, have in mind, contemplate, have in view, want, wish, expect, hope, be motivated by, have as justification
Mean Adjective Synonyms: denote, signify, indicate, note, specify, designate, represent, betoken, signal, carry, convey, drive at, refer to, allude to, communicate, express, bring out, get over or across, imply, suggest, connote, intimate, hint (at)
Mean Verb Synonyms: portend, show, foretell, foreshadow, promise, presage, augur, herald
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Other Words for River

River Noun Synonyms: watercourse, branch, tributary, stream, waterway, estuary, rivulet, creek, brook, streamlet, runnel, rill, burn, beck, kill
River Verb Synonyms: stream, flood, torrent, quantity, cataract, flow, cascade
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Mean Water Level (MWL)

Science / Tides and Currents / Mean Water Level (MWL): A datum. The mean surface elevation as determined by averaging the heights of the water at equal intervals of time, usually hourly. Mean water level is used in areas of little or no range in tide. MORE

Mean Water Level Line (MWLL)

Science / Tides and Currents / Mean Water Level Line (MWLL): The line on a chart or map which represents the intersection of the land with the water surface at the elevation of mean water level. MORE

Mean Wage

Business / Human Resources (HR) / Mean Wage: The average wage for a worker in a specified position or occupation, which is determined by adding together the total wages for all incumbents in a specific position or occupation and then dividing it MORE