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sublimation, in chemistry

(Encyclopedia)sublimation sŭblĭmāˈshən [key], change of a solid substance directly to a vapor without first passing through the liquid state. The term is also used to describe the reverse process of the gas ch...

columbine, in botany

(Encyclopedia)columbine kŏlˈəmbīn [key], any plant of the genus Aquilegia, temperate-zone perennials of the family Ranunculaceae (buttercup family), popular both as wildflowers and as garden flowers. Columbines...

earth, in chemistry

(Encyclopedia)earth, in chemistry, metallic oxide not readily reducible by chemical means, e.g., alkaline earths, rare earths, and alumina. The name is also applied to certain absorbent clays, e.g., fuller's earth,...

Falluja, Al

(Encyclopedia)Falluja, Al äl fälo͞oˈjə [key], town, Anbar prov., central Iraq, on the Euphrates. A strategic city ...

corona, in astronomy

(Encyclopedia)corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time of totality durin...

phase, in astronomy

(Encyclopedia)CE5 Phases of the moon phase, in astronomy, the measure of how much of the illuminated surface of a planet or satellite can be seen from a point at a distance from that body; the term is most ofte...

nun, in religion

(Encyclopedia)nun: see monasticism.

artemisia, in botany

(Encyclopedia)artemisia: see wormwood.

milo, in botany

(Encyclopedia)milo or milo maize: see sorghum. ...

moccasin, in zoology

(Encyclopedia)moccasin, snake: see water moccasin. ...