单词 | algae |
释义 | algae (once / 9426 pages) n Ever walk in the ocean and feel your feet slipping and sliding along the rocks? That slimy green stuff under your feet is algae, a nonflowering plant that grows in the water and has no stems, roots, or leaves. Algae is actually the plural form of the word alga, which in Latin means, you guessed it: "seaweed." Algae isn't just something gross looking floating on the water. It's actually important in aquatic ecology because the tiny organisms that live suspended in algae are the food base for most marine food chains. WORD FAMILYalgae USAGE EXAMPLESCleaning consisted of applying a special solution geared to removing algae and other material, scrubbing the stones, and hosing them off. Washington Times(Dec 29, 2016) This threw off the delicate balance between the coral organisms and the algae that provide them sustenance. Washington Post(Dec 26, 2016) The town’s lake was once so choked with algae that fishing lures wouldn’t sink. Washington Times(Dec 26, 2016) n primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves Syn|Hypo|Hyper alga seaweed plant growing in the sea, especially marine algae golden algaealgae having the pigments chlorophyll and carotene and xanthophyll yellow-green algaeany alga of the division Chrysophyta with its chlorophyll masked by yellow pigment diatommicroscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica confervoid algaealgae resembling confervae especially in having branching filaments brown algaealgae having the chlorophyll masked by brown and yellow pigments euglenid, euglenoid, euglenophytemarine and freshwater green or colorless flagellate organism chlorophyte, green algaealgae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water chlorellaany alga of the genus Chlorella red algaemarine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan cryptomonad, cryptophytecommon in fresh and salt water appearing along the shore as algal blooms aramean edible seaweed with a mild flavor wrackdried seaweed especially that cast ashore seagrassany of various seaweeds that grow underwater in shallow beds sea wrack, wrackgrowth of marine vegetation especially of the large forms such as rockweeds and kelp confervaany of various algae of the genus Tribonema; algae with branching filaments that form scum in still or stagnant fresh water kelplarge brown seaweeds having fluted leathery fronds sea tang, tangany of various coarse seaweeds fucoid, fucoid algaeany of various algae of the family Fucaceae rockweedcoarse brown seaweed growing on rocks exposed at low tide Fucus serratus, serrated wrack, tangbrown algae seaweed with serrated edges Sargassum bacciferum, gulfweed, sargasso, sargassumbrown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea laver, sea lettuceseaweed with edible translucent crinkly green fronds pond scumfree-floating freshwater green algae spirogyrafreshwater algae consisting of minute filaments containing spiral chlorophyll bands stonewortany of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encrusted with calcium carbonate deposits desmidfreshwater green algae sea mossany of various red algae having graceful rose to purple fronds (e.g. dulse or carrageen) Chondrus crispus, Irish moss, carageen, carrageen, carragheendark purple edible seaweed of the Atlantic coasts of Europe and North America Rhodymenia palmata, dulsecoarse edible red seaweed laver, red laveredible red seaweeds protoctist any of the unicellular protists |
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