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Linnaeus, Carolus

(Encyclopedia)Linnaeus, Carolus kärōˈləs lĭnāˈəs [key], 1707–78, Swedish botanist and taxonomist, considered the founder of the binomial system of nomenclature and the originator of modern scientific clas...

Tshwane, City of

(Encyclopedia)Tshwane, City of, metropolitan municipality (2011 pop. 2,921,488), Gauteng prov., NE South Africa. Pretoria is the municipal seat; other communities include Soshanguve, Mamelodi, Mabopane, and Centuri...

smut

(Encyclopedia)smut, name for an order of parasitic fungi (Ustilaginales) and the various diseases of plants caused by them. Smuts produce sootlike masses of spores on the host. The spore masses may break up into a ...

prion

(Encyclopedia)prion prēˈŏn [key], abnormal form of a protein found in mammals, now generally believed to cause a group of diseases known as prion diseases or transmissible spongiform encephalopathies, which are ...

water, desalination of

(Encyclopedia)water, desalination of, process of removing soluble salts from water to render it suitable for drinking, irrigation, or industrial uses. The principal methods used for desalination include distillatio...

rose of Sharon

(Encyclopedia)rose of Sharon, common name for several plants, especially Hibiscus syriacus, of the family Malvaceae (mallow family), and for St.-John's-wort, i.e., any species of the genus Hypericum of the family H...

transmutation of elements

(Encyclopedia)transmutation of elements, conversion of one chemical element into another. The expression has both historical and contemporary significance. The transmutation of certain metals into gold by means of ...

John Maurice of Nassau

(Encyclopedia)John Maurice of Nassau, 1604–79, Dutch general and colonial administrator, a prince of the house of Nassau-Siegen; grandnephew of William the Silent. The Dutch West India Company appointed him (1636...

decay of organic matter

(Encyclopedia)decay of organic matter or putrefaction, process whereby heterotrophic organisms, including some bacteria, fungi, saprophytic plants, and lower animals, utilize the remains of once-living tissue as a ...

thrips

(Encyclopedia)thrips, minute, agile insects of the order Thysanoptera. Thrips have piercing-and-sucking mouthparts and cup-shaped feet from which bladderlike adhesive organs may be extended. Some species are wingle...