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Definition of Spiculum
1. Noun. Small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.
Definition of Spiculum
1. n. Same as Spicule.
Definition of Spiculum
1. Noun. A thrusting javelin used by Romans that replaced the pilum in the late 3rd century. ¹
2. Noun. A sharp, pointed crystal, especially of ice. ¹
3. Noun. (zoology) A sharp, needle-like structure, especially those making up the skeleton of a sponge. ¹
4. Noun. (astronomy) A small radial emission of gas seen in the chromosphere and corona of the sun. ¹
¹ Source: wiktionary.com
Definition of Spiculum
1. spicule [n -LA] - See also: spicule
Medical Definition of Spiculum
1.
Origin: L, a little point.
Lexicographical Neighbors of Spiculum
Literary usage of Spiculum
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Monthly Microscopical Journal: Transactions of the Royal Microscopical (1870)
"The same spiculum x 400. This form is described in the text as the ... spiculum of
the same species assuming a quadri-partite outline x 150. „ 33, 34. ..."
2. A Monograph of the British Spongiadæ by James Scott Bowerbank (1874)
"A skeleton spiculum. X 250 linear. ... skeleton spiculum. X 123 linear. Fig.
6.—One of the slender, ..."
3. Ophthalmic review (1896)
"The ophthalmoscope showed a hole through the iris, to the nasal side, and
immediately behind this a foreign body, looking like a spiculum of glass, ..."
4. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1827)
"Silicious, fusiform, curved spiculum of the Spongia pa- ... occurs along with
another silicious spiculum, similar to fig. 18. Fig. 6. ..."
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