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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).
Any of numerous short-lived vertical jets of hot gas rising from the solar chromosphere and extending into the corona. Spicules, which only last for about five to ten minutes, are usually several hundred kilometers wide and several thousand kilometers high.
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.
Jun 21, 2024 · Definitions of spicule. noun. small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals. synonyms: spiculum.
1. A small needlelike structure or part, such as one of the silicate or calcium carbonate processes supporting the soft tissue of certain invertebrates, especially sponges. 2. Astronomy A spike-shaped formation emanating from the ionized gas of the solar photosphere. [Latin spīculum; see spiculum .]
Jul 24, 2022 · spicule A small, slender, sharp-pointed piece, usually on a surface, a small spike of flowers.
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.
Jun 2, 2024 · spicule (plural spicules) A sharp, needle-like piece. A tiny glass flake formed during the manufacture of glass vials Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.
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) Entry status.
noun. 1. Astronomy. 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. 2. Botany. a small spike; spikelet. 3. Zoology. a small, hard, needlelike piece or process, esp. of bony or calcareous material, as in the skeleton of the sponge.
