Spicule - Wikipedia, the free encyclopedia
Spicules are tiny spike-like structures of diverse origin and function found in many organisms, such as the copulatory spicules of certain nematodes or the grains on the skin of ...
Spicule (solar physics) - Wikipedia, the free encyclopedia
In solar physics, a spicule is a dynamic jet of about 500 km diameter on the Sun. It moves upwards at about 20 km/s from the photosphere. They were discovered in 1877 by Father ...
spicule definition - Dictionary - MSN Encarta
spic·ule [ spíkyool] (plural spic·ules) noun : Definition: 1. small needle-shaped part: a small hard needle-shaped part, especially one of the calcium- or silicon-containing ...
spicule (solar feature) -- Britannica Online Encyclopedia
Britannica online encyclopedia article on spicule (solar feature), a jet of dense gas ejected from the Sun’s chromosphere. Spicules occur at the edges of the chromospheric ...
spicule (zoology) -- Britannica Online Encyclopedia
Britannica online encyclopedia article on spicule (zoology), ...pallium), the foot, the head (except in bivalves), and the mantle cavity. The mantle in caudofoveates and ...
spicule definition of spicule in the Free Online Encyclopedia.
spicule: see chromosphere chromosphere (krō`məsfēr') [Gr..... Click the link for more information.. spicule [′spik·yül] (astronomy) One of an irregular distribution of jets ...
spicule
(astron.) A short-lived (about 5 minutes), narrow jet of gas, under 10,000 km long, in the upper chromosphere of the Sun. Visible in the light of H-alpha, spicules tend to cluster ...
spicule - Wiktionary
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