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algae Definition

al·gae (al′jē′)

al′ga-gə

any of several divisions of simple photosynthetic organisms, esp. certain thallophytes, variously one-celled, colonial, or filamentous, containing chlorophyll and other pigments (esp. red and brown), and having no true root, stem, or leaf: algae are found in water or damp places, and include seaweeds and pond scum

Etymology: pl. of L alga, seaweed < IE base *el-, *ol-, to be moldy, putrid > Swed ul, rancid, Du uilig, rotten

algae Related Forms
al′·gal (-gəl) adjective
algae Synonyms

algae

pl.n.

seaweed, rockweed, scum, stonewort, dulse, sea lettuce, pond life, kelp, blue-green algae; see also seaweed.

algae Usage Examples

Converse of subject

  • dominate: Lower infralittoral Sparse kelp park, dominated by foliose algae except where grazed.

Converse of object

  • single-cel: In the oceans around Antarctica, carbon uptake is carried out by minute single-celled algae.
  • encrust: Look for them in March/April in the shallow pools lined with pink encrusting stony algae.
  • eat: Scientists suspect they could have eaten sea algae, which can produce acid poisoning.
  • remove: Now is the time to give your patio surface a clean, removing any algae which can be slippery.
  • kill: As is usual in these cases, the tremendous input of cold water probably killed the algae in the pool.

Adjective modifier

  • blue-green: Water Quality In The Lake: Blue-green algae has appeared in the lake during late summer.
  • filamentous: The chief diet of frog tadpoles, in the early part of their life is filamentous algae.
  • coralline: It is mainly composed of the tests of coralline algae indicating deposition in a shallow gulf environment.
  • symbiotic: Most anemones have symbiotic algae that live in their tissues.
  • unicellular: These are unicellular algae characterized by the silicified cell made by two halves.
  • microscopic: Dead, microscopic algae will clump together into particles large enough to be removed by filtration.

Modifies a noun

  • eater: Both are very peaceful community fish and the catfish is an algae eater and great tank clean... .. .
  • bloom: They now think she could have become intoxicated by a natural toxin found in algae blooms.
  • extract: Ingredients: 90 % algae extract, Linden, Hypericum, Cornflower, Chamomile.
  • wrap: This also applies if you've spent all day in an algae wrap.
  • growth: In the summer months, however, algae growth in the warmer water can reduce visibility down to just a few meters!

Noun used with modifier

  • freshwater: There are over 2,200 species of freshwater algae known to exist in the British Isles and there is nothing wrong with them as such.
  • micro: Time trends highly concentrated in the summer, less so in the winter ( micro algae growth in the summer months ).
  • string: Another way to help with string algae is to raise your salt level in the pond.