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diatom

XDict

n. 矽藻类

PyDict

矽藻类

WordNet (r) 3.0 (2006) (WordNet)

diatom
n 1: microscopic unicellular marine or freshwater colonial alga
having cell walls impregnated with silica

The Collaborative International Dictionary of English v.0.48 (gcide)

Diatom \Di"a*tom\ (d[imac]`[.a]*t[o^]m), n. [Gr. dia`tomos cut
in two. See {Diatomous}.]
1. (Bot.) One of the {Diatomace[ae]}, a family of minute
unicellular Alg[ae] having a siliceous covering of great
delicacy, each individual multiplying by spontaneous
division. By some authors diatoms are called
{Bacillari[ae]}, but this word is not in general use.
[1913 Webster]

2. A particle or atom endowed with the vital principle.
[1913 Webster]

The individual is nothing. He is no more than the
diatom, the bit of protoplasm. --Mrs. E. Lynn
Linton.
[1913 Webster]

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英文字典中文字典相关资料:

Diatom - Wikipedia
A diatom (Neo-Latin diatoma) [a] is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world Living diatoms make up a significant portion of Earth's biomass
Diatom | Description, Characteristics, Reproduction | Britannica
diatom, (class Bacillariophyceae), any member of the algal class Bacillariophyceae (division Chromophyta), with about 16,000 species found in sediments or attached to solid substances in all the waters of Earth
Diatoms of North America
We encourage new contributors to submit taxon pages This project depends on many people to document the diverse diatom flora of streams, rivers, wetlands, lakes, springs, soils, estuaries and coastal zones
What are Diatoms? - Diatoms of North America
Diatoms are algae that live in houses made of glass They are the only organism on the planet with cell walls composed of transparent, opaline silica, which forms intricate and striking patterns Why should I care?
Diatoms – Definition, Structure, Life Cycle, Importance
A diatom is a tiny, single-celled algae with a hard shell made of silica, found in oceans, waterways, and soil They play a crucial role in oxygen production, nutrient cycling, and the food web of aquatic ecosystems
Diatom Watches | Space Flown Watches
From forging new alloys to manufacturing bespoke watch components, Diatom is at the forefront of horological innovation thanks to decades of aerospace and materials science experience
Patterns and drivers of diatom diversity and abundance in the global . . .
Diatoms constitute one of the most diverse and ecologically important phytoplankton groups, yet their large-scale diversity patterns and drivers of abundance are unclear due to limited
Diatoms | The Academy of Natural Sciences
Explore the Academy of Natural Sciences Diatom Herbarium, one of the world’s largest collections of recent and fossil diatoms
Diatomaceous earth - Wikipedia
Diatomaceous earth ( ˌdaɪ ətəˈmeɪʃəs DY-ə-tə-MAY-shəs), also known as diatomite ( daɪˈætəmaɪt dy-AT-ə-myte), celite, or kieselgur, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder
DiatomBase
Diatoms are found in marine, estuarine and freshwater ecosystems, inhabiting a wide range of environmental conditions Because they are found in almost any place that has, or has had, water, and due to their efficient photosynthetic processes, they are important players in the global cycling of carbon and oxygen

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