spermatophyte |
any plant that bears seeds. |
spermatozoon |
an animal's mature male reproductive cell, usu. propelled by a moving tail. |
sperm oil |
a lubricating oil that is obtained from sperm whales. |
-spermous |
having (such or so many) seeds; -spermal. |
sperm whale |
a large, toothed whale with a huge, squarish head from which sperm oil and spermaceti are obtained. |
spew |
to spurt out (food brought up from the stomach); vomit. [5 definitions] |
sphagnum |
any of several related soft, pale mosses obtained chiefly from bogs as peat, and often used for potting plants. |
sphalerite |
an ore, usu. brown, from which zinc is extracted; zinc sulfide. |
sphenoid |
of or relating to the sphenoid bone. [3 definitions] |
sphenoid bone |
see "sphenoid." |
-sphere |
something related to or resembling a sphere. [2 definitions] |
sphere |
a round, three-dimensional geometric figure in which every point on the surface is an equal distance from the center. [6 definitions] |
sphere of influence |
foreign territory over which a state or nation exerts cultural, political, economic, or military authority. [3 definitions] |
spherical |
having or nearly having the shape of a sphere; rounded; globular. [3 definitions] |
spheroid |
a flattened sphere created by revolving an ellipse about one of its axes. |
sphincter |
a circular band of muscle that surrounds a body opening or passage and can constrict or close it. |
sphinx |
in Egyptian mythology, a creature with a lion's body and the head of a human or animal. [4 definitions] |
sphygmomanometer |
an instrument that measures blood pressure in the arteries. |
Spica |
a blue-white star in the constellation Virgo, having a magnitude of 1.0. |
spic-and-span |
variant of spick-and-span. |