| ASTROSPHERES | • astrospheres n. Plural of astrosphere. • ASTROSPHERE n. another name for a centrosome. |
| BLASTOSPHERE | • blastosphere n. A blastula. • BLASTOSPHERE n. a blastula. |
| BLOGOSPHERES | • blogospheres n. Plural of blogosphere. • BLOGOSPHERE n. the part of the World Wide Web that contains weblogs. |
| CENTROSPHERE | • centrosphere n. (Biology) The cytoplasm surrounding the centriole of a centrosome. • centrosphere n. (Geology) barysphere. • CENTROSPHERE n. the central part of the earth below the crust, aka barysphere. |
| CHEMOSPHERES | • chemospheres n. Plural of chemosphere. • CHEMOSPHERE n. the thermosphere, the outermost layer of the atmosphere. |
| CHROMOSPHERE | • chromosphere n. (Astronomy) The faint pink extension of a star’s atmospheric envelope between the corona and the photosphere. • CHROMOSPHERE n. the region of the atmosphere of a star between the star's photosphere and its corona. |
| COSMOSPHERES | • cosmospheres n. Plural of cosmosphere. • COSMOSPHERE n. an apparatus for showing the position of the earth at any given time with reference to the fixed stars. |
| HELIOSPHERES | • heliospheres n. Plural of heliosphere. • HELIOSPHERE n. the region in space influenced by the sun or solar wind. |
| HYDROSPHERES | • hydrospheres n. Plural of hydrosphere. • HYDROSPHERE n. the water of the earth. |
| LITHOSPHERES | • lithospheres n. Plural of lithosphere. • LITHOSPHERE n. the solid outer portion of the Earth consisting of the crust and upper mantle, approximately 100 km (62 miles) thick. |
| MICROSPHERES | • microspheres n. Plural of microsphere. • MICROSPHERE n. a small sphere. |
| OZONOSPHERES | • ozonospheres n. Plural of ozonosphere. • OZONOSPHERE n. the ozone layer. |
| PHOTOSPHERES | • photospheres n. Plural of photosphere. • PHOTOSPHERE n. the sun's luminous envelope. |
| PHYLLOSPHERE | • phyllosphere n. (Biology) The above-ground surface of plants, viewed as a habitat for microorganisms. • PHYLLOSPHERE n. the surface of a leaf considered as a habitat, esp. for microorganisms. |
| RHABDOSPHERE | • rhabdosphere n. A minute sphere composed of rhabdoliths. • RHABDOSPHERE n. an aggregation of rhabdoliths in oceanic ooze. |
| RHIZOSPHERES | • rhizospheres n. Plural of rhizosphere. • RHIZOSPHERE n. a region of increased biological activity in the neighborhood of a root. |
| STRATOSPHERE | • stratosphere n. (Geology, obsolete) Collectively, those layers of the Earth’s crust which primarily comprise stratified deposits. • stratosphere n. (Meteorology) The region of the uppermost atmosphere where temperature increases along with the altitude… • STRATOSPHERE n. a region of the atmosphere beginning about 4.5 to 10 miles up, in which temperature does not fall as altitude increases. |
| THERMOSPHERE | • thermosphere n. The layer of the Earth’s atmosphere directly above the mesosphere and directly below the exosphere. • THERMOSPHERE n. the outermost layer of the atmosphere. |
| TROCHOSPHERE | • trochosphere n. (Zoology) A young larval form of many annelids, mollusks, and bryozoans, in which a circle of cilia… • TROCHOSPHERE n. a free-swimming pelagic form of many invertebrates, also TROCHOPHORE. |
| TROPOSPHERES | • tropospheres n. Plural of troposphere. • TROPOSPHERE n. a region of the atmosphere from 25,000 feet to 55,000 feet, the boundary between the upper troposphere and the lower stratosphere. |