Red Tide

Science / Marine Biology / Red Tide: A dense outburst of phytoplankton (usually dinoflagellates) often coloring water red brown

Red Pine

Life Style / Christmas Trees / Red Pine: Pinus resinosa - dark green needles 4''-6'' long; big and bushy. MORE

Red raspberry leaves (Rubus idaeus)

Health / Herbs / Red raspberry leaves (Rubus idaeus): A uterine tonic, relaxes the uterus, traditionally believed to lead to an easier childbirth, midwives have found that women who drink raspberry leaf tea regularly during pregnancy have decreased chanc MORE

Red root (Ceanothus americanus)

Health / Herbs / Red root (Ceanothus americanus): Treats tonsil inflammations and sore throats, increases transport of nutrients from the blood across the capillary cells to the lymph. MORE

Red Line

Entertainment / Ice Hockey / Red Line: A line, 12 inches wide, that extends across the ice midway between the goal lines. Also known as the center line. MORE

Red Light

Entertainment / Ice Hockey / Red Light: A light behind the goal cage, next to the green light, that is turned on by the goal judge to indicate that a goal has been scored. MORE

Red Green Blue (RGB)

Technology / Digital Cameras / Red Green Blue (RGB): The three colors to which the human visual system, digital cameras and many other devices are sensitive. MORE

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