retractile

Example Sentences

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Mantle oval, covering the head and the greater part of the body; anterior tentacles, ill-developed; branchiae generally retractile.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

The Carchesium differs from the common Vorticella, by branching like a tree, but the stems are all retractile, although the trunk seldom exercises the power.

From Marvels of Pond-life A Year's Microscopic Recreations by Slack, Henry J.

The fore-feet have five toes, the hind-feet four or five; the claws are strong, blunt, and formed for digging, and are not retractile.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

Sem′i-recon′dite, half-hidden; Sem′i-rē′flex, involuntarily performed, but not entirely independent of the will; Sem′i-reg′ular, pertaining to a quadrilateral having four equal sides, but only pairs of equal angles; Sem′i-retrac′tile, retractile to some extent.—n.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

The jaws were widely extended, so that the sharp retractile teeth were plainly visible, and the forked tongue at intervals was shot forward, and gleamed in the sun.

From The Young Yagers A Narrative of Hunting Adventures in Southern Africa by Reid, Mayne