Spermatozooid (n.) A spermatozoid.
Spermatozoa (pl. ) of Spermatozoon
Spermatozoon (n.) Same as Spermatozoid.
Spermic (a.) Of or pertaining to sperm, or semen.
Spermidia (pl. ) of Spermidium
Spermidium (n.) An achenium.
Spermist (n.) A believer in the doctrine, formerly current, of encasement in the male (see Encasement), in which the seminal thread, or spermatozoid, was considered as the real animal germ, the head being the true animal head and the tail the body.
Spermoblast (n.) One of the cells formed by the division of the spermospore, each of which is destined to become a spermatozoid; a spermatocyte; a spermatoblast.
Spermococcus (n.) The nucleus of the sperm cell.
Spermoderm (n.) The covering of a seed; -- sometimes limited to the outer coat or testa.
Spermogonium (n.) A conceptacle of certain lichens, which contains spermatia.
Spermologist (n.) One who treats of, or collects, seeds.
Spermophile (n.) Any ground squirrel of the genus Spermophilus; a gopher. See Illust. under Gopher.
Spermophore (n.) A spermatophore.
Spermophyta (n. pl.) Plants which produce seed; phaenogamia. These plants constitute the highest grand division of the vegetable kingdom.
Spermophyte (n.) Any plant which produces true seeds; -- a term recently proposed to replace ph/nogam.
Spermophytic (a.) Capable of producing seeds; ph/nogamic.
Spermoplasma (n.) The protoplasm of the sperm cell.
Spermosphere (n.) A mass or ball of cells formed by the repeated division of a male germinal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma.
Spermospore (n.) The male germinal or seminal cell, from the breaking up of which the spermoblasts are formed and ultimately the spermatozoids; a spermatospore.
Spermule (n.) A sperm cell.
Sperm whale () A very large toothed whale (Physeter macrocephalus), having a head of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and spermaceti. This whale sometimes grows to the length of more than eighty feet. It is found in the warmer parts of all the oceans. Called also cachalot, and spermaceti whale.
Sperrylite (n.) An arsenide of platinum occuring in grains and minute isometric crystals of tin-white color. It is found near Sudbury, Ontario Canada, and is the only known compound of platinum occuring in nature.
Sperse (v. t.) To disperse.
Spessartite (n.) A manganesian variety of garnet.
Spet (v. t.) To spit; to throw out.
Spet (n.) Spittle.
Spetches (n. pl.) Parings and refuse of hides, skins, etc., from which glue is made.
Spewed (imp. & p. p.) of Spew
Spewing (p. pr.& vb. n.) of Spew
Spew (v. t.) To eject from the stomach; to vomit.
Spew (v. t.) To cast forth with abhorrence or disgust; to eject.
Spew (v. i.) To vomit.
Spew (v. i.) To eject seed, as wet land swollen with frost.
Spew (n.) That which is vomited; vomit.
Spewer (n.) One who spews.
Spewiness (n.) The state of being spewy.
Spewy (a.) Wet; soggy; inclined to spew.
Sphacel (n.) Gangrene.
Sphacelated (imp. & p. p.) of Spacelate
Sphacelating (p. pr. & vb. n.) of Spacelate
Spacelate (v. i.) To die, decay, or become gangrenous, as flesh or bone; to mortify.
Sphacelate (v. t.) To affect with gangrene.
Sphacelate (a.) Alt. of Sphacelated
Sphacelated (a.) Affected with gangrene; mortified.
Sphacelation (n.) The process of becoming or making gangrenous; mortification.
Sphacelus (n.) Gangrenous part; gangrene; slough.
Sphaerenchyma (n.) Vegetable tissue composed of thin-walled rounded cells, -- a modification of parenchyma.
Sphaeridia (pl. ) of Sphaeridium
Sphaeridium (n.) A peculiar sense organ found upon the exterior of most kinds of sea urchins, and consisting of an oval or sherical head surmounting a short pedicel. It is generally supposed to be an olfactory organ.
Sphaerospore (n.) One of the nonsexual spores found in red algae; a tetraspore.
Sphaerulite (n.) Same as Spherulite.
Sphagnicolous (a.) Growing in moss of the genus Sphagnum.
Sphagnous (a.) Pertaining to moss of the genus Sphagnum, or bog moss; abounding in peat or bog moss.
Sphagnum (n.) A genus of mosses having white leaves slightly tinged with red or green and found growing in marshy places; bog moss; peat moss.
Sphalerite (n.) Zinc sulphide; -- called also blende, black-jack, false galena, etc. See Blende (a).
Sphene (n.) A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black color. It is a silicate of titanium and calcium; titanite.
Sphenethmoid (a.) Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal.
Sphenethmoid (n.) The sphenethmoid bone.
Sphenethmoidal (a.) Relating to the sphenoethmoid bone; sphenoethmoid.
Spheniscan (n.) Any species of penguin.
Spheno- () A combining form used in anatomy to indicate connection with, or relation to, the sphenoid bone; as in sphenomaxillary, sphenopalatine.
Sphenodon (n.) Same as Hatteria.
Sphenoethmoidal (a.) Sphenethmoid.
Sphenogram (n.) A cuneiform, or arrow-headed, character.
Sphenographer (n.) One skilled in sphenography; a sphenographist.
Sphenographic (a.) Of or pertaining to sphenography.
Sphenographist (n.) A sphenographer.
Sphenography (n.) The art of writing in cuneiform characters, or of deciphering inscriptions made in such characters.
Sphenoid (a.) Wedge-shaped; as, a sphenoid crystal.
Sphenoid (a.) Of or pertaining to the sphenoid bone.
Sphenoid (n.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
Sphenoid (n.) The sphenoid bone.
Sphenoidal (a.) Sphenoid.
Sphenoidal (a.) Pertaining to, or resembling, a sphenoid.
Sphenotic (a.) Of, pertaining to, or designating, the sphenotic bone.
Sphenotic (n.) The sphenotic bone.
Spheral (a.) Of or pertaining to a sphere or the spheres.
Spheral (a.) Rounded like a sphere; sphere-shaped; hence, symmetrical; complete; perfect.
Sphere (n.) A body or space contained under a single surface, which in every part is equally distant from a point within called its center.
Sphere (n.) Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.
Sphere (n.) The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
Sphere (n.) In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions.
Sphere (n.) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
Sphere (n.) Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence.
Sphere (n.) Rank; order of society; social positions.
Sphere (n.) An orbit, as of a star; a socket.
Sphered (imp. & p. p.) of Sphere
Sphering (p. pr. & vb. n.) of Sphere
Sphere (v. t.) To place in a sphere, or among the spheres; to insphere.
Sphere (v. t.) To form into roundness; to make spherical, or spheral; to perfect.
Spherical (a.) Alt. of Spheric
Spheric (a.) Having the form of a sphere; like a sphere; globular; orbicular; as, a spherical body.
Spheric (a.) Of or pertaining to a sphere.
Spheric (a.) Of or pertaining to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.
Sphericity (n.) The quality or state of being spherial; roundness; as, the sphericity of the planets, or of a drop of water.
Sphericle (n.) A small sphere.
Spherics (n.) The doctrine of the sphere; the science of the properties and relations of the circles, figures, and other magnitudes of a sphere, produced by planes intersecting it; spherical geometry and trigonometry.
Spherobacteria (n. pl.) See the Note under Microbacteria.
Spheroconic (n.) A nonplane curve formed by the intersection of the surface of an oblique cone with the surface of a sphere whose center is at the vertex of the cone.