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red tide

(Encyclopedia)red tide: see Dinoflagellata.

Red Wing

(Encyclopedia)Red Wing, city (1990 pop. 15,134), seat of Goodhue co., SE Minn., on the Mississippi River at the head of Lake Pepin; inc. 1857. It is a commercial and manufacturing center in the Hiawatha valley farm...

New Red Sandstone

(Encyclopedia)New Red Sandstone, name for the thick red layer of the Triassic formation in Great Britain (see Triassic period). It is many thousands of feet thick and is composed chiefly of red sandstones, clays, a...

Red Deer, city, Canada

(Encyclopedia)Red Deer, city (1991 pop. 58,134), S central Alta., Canada, on the Red Deer River. It developed as a trade and service center for a region of dairying and mixed farming. The discovery of oil and natur...

Red Poll cattle

(Encyclopedia)Red Poll cattle pōl [key], breed of polled (hornless) cattle, originated in England c.1846. They are a medium-sized, hardy breed of cattle, light red to very dark red in color, and are raised for bot...

carnelian

(Encyclopedia)carnelian kôr–, kər– [key], variety of red chalcedony, used as a gem. It is distinguished from sard by the shade of red, carnelian being bright red and sard brownish. The red coloring is apparen...

Rhodophyta

(Encyclopedia)Rhodophyta rōdŏfˈətə [key], phylum (division) of the kingdom Protista consisting of the photosynthetic organisms commonly known as red algae. Most of the world's seaweeds belong to this group. Me...

Kopit, Arthur

(Encyclopedia) Kopit, Arthur, 1937-2021, American playwright, b. New York, New York, as Arthur Lee Koenig, Harvard Univ. (BS, 1959). Kopit’s parents divorced when h...

hemolysis

(Encyclopedia)hemolysis hĭmŏlˈĭsĭs [key], destruction of red blood cells in the bloodstream. Although new red blood cells, or erythrocytes, are continuously created and old ones destroyed, an excessive rate of...

simile

(Encyclopedia)simile sĭmˈəlē [key] [Lat.,=likeness], in rhetoric, a figure of speech in which an object is explicitly compared to another object. Robert Burns's poem “A Red Red Rose” contains two straightfo...
 

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