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kelp
kelp large seaweed XIV; calcined ashes of seaweed XVII. ME. culp(e), of unkn. orig.... Read more |
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seaweed
seaweed name commonly used for the multicellular marine algae . Simpler forms, consisting of one cell (e.g., the diatom ) or of a few cells, are not generally called seaweeds; these tiny plants help to make up plankton. The more highly developed types of seaweed usually have a basal disk, called... Read more |
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dulse
dulse The common name for the red seaweed Palmaria palmata (formerly Rhodymenia palmata). The thallus is flattened and usually dichotomously branched. It grows in the intertidal zone and at low-water mark, attached to rocks or to other seaweeds by a discoid holdfast. It has been used widely as food,... Read more |
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algin
algin A salt (usually the sodium salt) of alginic acid, a complex polysaccharide present in the cell walls and between the cells in brown seaweeds (Phaeophyta). When extracted from the seaweed and mixed with water, many algins make very thick, viscous solutions. They have a number of commercial uses... Read more |
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pepper dulse
pepper dulse The common name for the red seaweed Laurencia pinnatifida (family Rhodomelaceae, order Ceramiales). The seaweed is variable in form and colour. When growing in bright sunlight on the upper shore, it usually grows in short, dense tufts and is yellowish-green in colour; but when growing... Read more |
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isinglass
isinglass , gelatinous semitransparent substance obtained by cleaning and drying the air bladders of the sturgeon, cod, hake, and other fishes. Isinglass is manufactured in Russia, the United States, Canada, Brazil, Indonesia, the West Indies, and the Philippines. It is used in the clarification of... Read more |
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Sargasso Sea
Sargasso Sea , part of the N Atlantic Ocean, lying roughly between the West Indies and the Azores and from about lat. 20°N to lat. 35°N, in the horse latitudes . The relatively still sea is the center of a great swirl of ocean currents and is a rich field for the marine biologist. It is... Read more |
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green algae
green algae Large group of marine and freshwater algae (phylum Chlorophyta). They are distinct from other algae by virtue of possessing cup-shaped chloroplasts that contain chlorophyll b, and by producing cells with flagella at some stage in their lives. Green algae range in size from microscopic... Read more |
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Rocaille
Rocaille. 1. System of decoration derived from rock-work, ornamented with pebbles and shells found in follies and, especially, grottoes, often associated with water, fountains, cascades, etc. 2. Type of Rococo scroll-like ornament, not unlike Auricular forms, arranged asymmetrically, notably around... Read more |
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infralittoral fringe
infralittoral fringe In marine ecology, a term sometimes used to distinguish the intertidal region exposed only at the lowest, i.e. equinoctial, tides. It lies between the medio- and circalittoral zones. In the more widely used shore zonation scheme, it corresponds to a transitional area between the... Read more |
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