Trichite sheaf
Trichite Trich"ite, n. [Gr. ?, ?, hair.] [1913 Webster] 1. (Min.) A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of {Crystallite}. [1913 Webster]

2. (Zo["o]l.) A delicate, hairlike siliceous spicule, found in certain sponges. [1913 Webster]

{Trichite sheaf} (Zo["o]l.), one of the small sheaflike fascicles of slender set[ae] characteristic of certain sponges. See Illust. under {Spicule}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Trichite — Trich ite, n. [Gr. ?, ?, hair.] [1913 Webster] 1. (Min.) A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of {Crystallite}. [1913 Webster] 2. (Zo[ o]l.) A delicate, hairlike siliceous spicule, found in certain… …   The Collaborative International Dictionary of English

  • Spicule — Spic ule, n. [L. spiculum a little point, a dart.] 1. A minute, slender granule, or point. [1913 Webster] 2. (Bot.) Same as {Spicula}. [1913 Webster] 3. (Zo[ o]l.) Any small calcareous or siliceous body found in the tissues of various… …   The Collaborative International Dictionary of English

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