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Eng ID Term Definition
3161
matte
Conglomerate of SAND, MUD and SEAWEED forming a SHOAL or REEF.
3162
maximum thermometer
See THERMOMETER.
3163
meander
(Often in plural). A winding, convolution or winding COURSE, as of a STREAM. A deviation of the flow pattern of a CURRENT.
3164
mean diurnal high water inequality
See DIURNAL INE­QUALITY.
3165
mean diurnal low water inequality
See DIURNAL INEQUA­LITY.
3166
mean draft
See DRAFT.
3167
mean higher high water (M.H.H.W.)
The average HEIGHT or HIGHER HIGH WATERS at a place over a 19-year peri­od.
3168
mean high water (M.H.W.)
The average HEIGHT of all HIGH WATERS at a place over a 19-year period.
3169
mean high water lunitidal interval (M.H.W.I.)
See LUNITIDAL INTERVAL.
3170
mean high water neaps (M.H.W.N.)
The average HEIGHT of the HIGH WATERS of NEAP TIDES. Also called neap high water.
3171
mean high water springs (M.H.W.S.)
The average HEIGHT of the HIGH WATERS of SPRING TIDES. Also called spring high water.
3172
mean lower low water (M.L.L.W.)
The average HEIGHT of the LOWER LOW WATERS at a place over a 19-year period.
3173
mean lower low water springs (M.L.L.W.S.)
The average HEIGHT of lower low water springs at a place.
3174
mean low water (M.L.W.)
The average HEIGHT of all LOW WATERS at a place over a 19-year period.
3175
mean low water lunitidal interval (M.L.W.I.)
See LUNITIDAL INTERVAL.
3176
mean low water neaps (M.L.W.N.)
The average HEIGHT of the LOW WATERS of NEAP TIDES. Also called neap low water.
3177
mean low water springs (M.L.W.S.)
The average HEIGHT of the LOW WATERS of SPRING TIDES. This LEVEL is used as a TIDAL DATUM in some areas. Also called spring low water.
3178
mean neap range
See NEAP RANGE.
3179
mean neap rise
The HEIGHT of MEAN HIGH WATERS NEAPS above the CHART DATUM. Also called neap rise.
3180
mean noon
See NOON.