[f. VEIN sb. Cf. VEINULET.] A small or minor vein (in various senses).

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1831.  Carlyle, Sart. Res., II. iii. Here, too,… is a vein or veinlet of the grand World-circulation of Waters.

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1855.  Emerson, Misc., viii. 63. He no longer fills the veins and veinlets.

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1872.  Huxley, Physiol., v. 120. The blood of the capillaries of the lobule is poured into that vein by a minute veinlet.

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  b.  spec. in Bot. A branch or subdivision of a vein or venule.

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1832.  Lindley, Introd. Bot., 91. The area of parenchyma, lying between two or more veins or veinlets.

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1849.  Balfour, Man. Bot., § 141. There are also other veins of less extent … given off by the midrib, and these give origin to small veinlets.

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1857.  T. Moore, Handbk. Brit. Ferns (ed. 3), 8. The branches of the veins are venules, and the branches of the venules are veinlets.

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1877.  Heath, Fern World, 215. Along on each side of the mid veins of the lobes are alternate veinlets.

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