1) Alga 2) Algae 3) Marine microorganism 4) Marine or freshwater alga 5) Microscopic algae 6) Morsel for Moby Dick 7) One-celled alga 8) One-celled marine plant 9) One-celled sea creature 10) Phytoplankton 11) Plankton component 12) Plankton form 13) Simple bit of plankton 14) Single-celled alga 15) Unicellular alga
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Diatoms are a major group of algae, and are among the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons (e.g. Fragilaria), fans (e.g. Meridion), zigzags (e.g. Tabellaria), or stars (e.g. Asterionella). Diatoms are producers within the food chain. A unique feat...
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http://en.wikipedia.org/wiki/Diatom
The common name for the Bacillariophyceae, a class of unicellular microscopic algae with a symmetrical siliceous exoskeleton (Morris 1992).
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http://imnh.isu.edu/digitalatlas/bio/glsry.htm
• (n.) One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use. • (n.) A particle or atom endowed with the vital principle.Diatom: words in the definit...
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http://thinkexist.com/dictionary/meaning/diatom/
Microscopic organism with a hard shell that remains after the death of the organism.
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http://www.aquahobby.com/articles/e_glossary.php
any member of the algal class Bacillariophyceae (division Chromophyta), with about 16,000 species found in sediments or attached to solid substances ... [10 related articles]
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http://www.britannica.com/eb/a-z/d/44
microscopic, single-celled photosynthetic organisms with an external skeleton of silica.
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http://www.coml.org/edu/glossary/g1.htm
Any member of a class of unicellular algae, known formally as Bacillariophyceae, that live in cold waters of relatively low salinity. Diatoms come a wide variety of beautiful, symmetrical shapes. All have shell-like, brittle cell walls made out of silica (glass) and pectin. The walls, which are poro...
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http://www.daviddarling.info/encyclopedia/D/diatom.html
Algae of the division Bacillariophyta. They are largely unicellular and are characterised by having cell walls of hydrated silica embedded in an organic matrix. The cell walls are formed in two halves that fit together like the lid and base of a pillbox and often have elaborate patterns formed by pores. Diatoms are very abundant in marine and fresh...
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http://www.encyclo.co.uk/local/20973
A one celled plant that lives in the shallow waters of lakes, streams or oceans. Many of these secre
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http://www.encyclo.co.uk/local/22392
Algae of the division Bacillariophyta; largely unicellular and characterized by having cell walls of hydrated silica embedded in an organic matrix. The cell walls are formed in two halves that fit together like the lid and base of a pillbox and often have elaborate patterns formed by pores. Diatoms are very abundant in marine and freshwater plankton. Deposits of the cell walls form diatomaceous or siliceous earths.
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http://www.encyclo.co.uk/visitor-contributions.php
Di'a·tom (dī`ȧ*tŏm)
noun [ Greek
dia`tomos cut in two. See
Diatomous .]
1. (Botany) One of the
Diatomaceæ , a family of minute unicellular Algæ having a siliceous covering of great delicacy, each individual multiplying by spontaneous divisi...
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http://www.encyclo.co.uk/webster/D/59
Type: Term Pronunciation: dī′ă-tom Definitions: 1. An individual of microscopic unicellular algae, the shells of which comprise a sedimentary infusorial earth.
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http://www.medilexicon.com/medicaldictionary.php?t=24576
Diatoms are minute lowly organised plants found in most seas.
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http://www.probertencyclopaedia.com/browse/BD.HTM
A common type of phytoplankton which may be unicellular or exist as colonies. Diatoms usually have siliceous skeletons.
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http://www.scientificpsychic.com/etc/geology-glossary.html
(Gk: di two; temno to cut) a microscopic unicellular alga with a siliceous cell-wall, found as plankton, and forming fossil deposits. Diatoms are constructed like pill boxes, one half covering the other. As they divide, one part always becomes smaller.
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http://www.seafriends.org.nz/books/glossary.htm
[
n] - microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
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http://www.webdictionary.co.uk/definition.php?query=diatom
Dominant planktonic algal form with siliceous test, occurring as a single cell or as a chain of cells
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https://www.encyclo.co.uk/local/20125
Single-celled plant found in oceans and lakes with a skeleton composed of silica.
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https://www.encyclo.co.uk/local/20501
noun microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
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https://www.encyclo.co.uk/local/20974
Microscopic alga found in all parts of the world in either fresh or marine waters. Diatoms consist of single cells that secrete a hard cell wall made of silica. There are approximately 10,000 species of diatom. (Division Bacillariophyta.) The cell wall of a diatom is made up of two overlapping valves known as frustules, which are impregnated with s...
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https://www.encyclo.co.uk/local/21221
any of numerous microscopic, unicellular, marine or freshwater algae of the phylum Chrysophyta, having cell walls containing silica.
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https://www.infoplease.com/dictionary/diatom
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