Volvelle
noun, Astronomy.
1.
a medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun.
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noun, Zoology. 1. a small, pear-shaped nematocyst discharging a thread that entangles its prey.
- Volvox
noun 1. any colonial, freshwater green algae of the genus Volvox, forming a hollow, greenish sphere of flagellated cells. noun 1. any freshwater flagellate protozoan of the genus Volvox, occurring in colonies in the form of hollow multicellular spheres
- Volvulosis
volvulosis vol·vu·lo·sis (vŏl’vyə-lō’sĭs) n. See onchocerciasis.
- Volvulus
noun, plural volvuluses. Pathology. 1. a torsion, or twisting, of the intestine, causing intestinal obstruction. noun (pl) -luses 1. (pathol) an abnormal twisting of the intestines causing obstruction volvulus vol·vu·lus (vŏl’vyə-ləs) n. Abnormal twisting of the intestine causing obstruction.
- Volzhsky
noun 1. a city in the SW Russian Federation in Europe, near Volgograd on the Volga River.