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- Dictionaryspicule/ˈspɪkjuːl/
noun
- 1. a minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice. technical
- 2. a short-lived, relatively small radial jet of gas in the chromosphere or lower corona of the sun.
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The meaning of SPICULE is a slender pointed usually hard body; especially : one of the minute calcareous or siliceous bodies that support the tissue of various invertebrates (such as sponges).
Spicule definition: a small or minute, slender, sharp-pointed body or part; a small, needlelike crystal, process, or the like.. See examples of SPICULE used in a sentence.
small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals. synonyms: spiculum.
Definition. Spicules are small, needle-like structures found in the skeletons of certain organisms, particularly sponges. They provide structural support and can be made from various materials, such as silica or calcium carbonate, depending on the species.
Spicule, a jet of dense gas ejected from the Sun’s chromosphere. Spicules occur at the edges of the chromospheric network, where magnetic fields are stronger. They extend up to 10,000 km (6,000 miles) and, although they fall back to the Sun, are thought to contribute to the solar wind by feeding.
1. Also called: spiculum. a small slender pointed structure or crystal, esp any of the calcareous or siliceous elements of the skeleton of sponges, corals, etc. 2. astronomy. a spiked ejection of hot gas occurring over 5000 kilometres above the sun's surface (in its atmosphere) and having a diameter of about 1000 kilometres.
Spicules are small, needle-like structures that provide structural support and protection in certain organisms, particularly sponges. These skeletal elements can be made of silica or calcium carbonate and play a vital role in the organization and function of the body plan, contributing to the overall rigidity and shape of the organism.
Spicule definition: Any of the short-lived, bright, dense gas jets continuously spurting up through the chromosphere of the sun: thought to be extensions of the photosphere's granules.
A roughly cone‐shaped structure or tissue element, such as that projecting from the membrane of a red blood cell. Calcareous or siliceous spicules are found in the skeletons of sponges and corals. [...]
What does the noun spicule mean? There are seven meanings listed in OED's entry for the noun spicule. See ‘Meaning & use’ for definitions, usage, and quotation evidence. spicule has developed meanings and uses in subjects including plants (late 1700s) fungi (1840s) invertebrates (1840s) animals (1860s) astronomy (1940s)
