spiculum
n. [动](海参的)骨片,(线虫的)交合刺,(海绵的)骨针
发音
/ˈspɪkjʊləm/
词形变化
spicula
复数
spicula
释义与例句
n.
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1.
A thrusting javelin used by Romans that replaced the pilum in the late 3rd century.
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2.
A sharp, pointed crystal, especially of ice.
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3.
A sharp, needle-like structure, especially those making up the skeleton of a sponge.
生物 动物学 -
4.
A small radial emission of gas seen in the chromosphere and corona of the sun.
天文
词汇关系
相关短语
词源
From Latin spīculum (“a little sharp point”), from spīcum, alternative form of spīca (“point, spike”).
来源:wiktionary