Low Back Pain: Pain in the lower back area that can relate to problems with the lumbar spine, the discs between the vertebrae, the ligaments around the spine and discs, the spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, or the skin covering the lumbar area.

 

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Low Back Pain: Pain in the lower back area that can relate to problems with the lumbar spine, the discs between the vertebrae, the ligaments around the spine and discs, the spinal cord and nerves, muscles . . . View Full Definition

Mean Low Water Line (MLWL): The line on a chart or map which represents the intersection of the land with the water surface at the elevation of mean low water.

Mean Low Water Springs (MLWS): A tidal datum. Frequently abbreviated spring low water. The arithmetic mean of the low water heights occurring at the time of spring tides observed over the National Tidal Datum Epoch. It is . . . View Full Definition

Mean Low Water (MLW): A tidal datum. The average of all the low water heights observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control . . . View Full Definition

Marshmallow root (Althea officinalis): The root soothes mucous membranes, helps heal wounds, ointments and cremes made from the root are effective on chapped hands and lips, internally treats inflammation and problems of the geni . . . View Full Definition

Make Allowance (Or Milk Manufacturing Marketing Adjustment): The margin between the government support price for milk and the CCC’s purchase price for butter, nonfat dry milk, and cheese. This margin is administratively set to cover the costs of 'maki . . . View Full Definition

Marshmallow: A soft hitting ball; ineffective ball.

Mean Lower Low Water (MLLW): A tidal datum. The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observat . . . View Full Definition

Mean Lower Low Water Line (MLLWL): The line on a chart or map which represents the intersection of the land with the water surface at the elevation of mean lower low water.

Mileage Allowance: Number of miles a rented car is driven beyond the mileage allowance.