Columbia Encyclopedia

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inflection

(Encyclopedia)inflection, in grammar. In many languages, words or parts of words are arranged in formally similar sets consisting of a root, or base, and various affixes. Thus walking, walks, walker have in common ...

friction

(Encyclopedia)friction, resistance offered to the movement of one body past another body with which it is in contact. In certain situations friction is desired. Without friction the wheels of a locomotive could not...

Gutenberg, Johann

(Encyclopedia)Gutenberg, Johann go͞oˈtənbərg, Ger. yōˈhän go͞oˈtənbĕrk [key], c.1397–1468, German inventor and printer, long credited with the invention of a method of printing from movable type, inclu...

flower

(Encyclopedia)CE5 Longitudinal cross section of a flower at the time of fertilization, showing a pollen grain and a pollen tube. flower, name for the specialized part of a plant containing the reproductive orga...

epilepsy

(Encyclopedia)epilepsy, a chronic disorder of cerebral function characterized by periodic convulsive seizures. There are many conditions that have epileptic seizures. Sudden discharge of excess electrical activity,...

pantheism

(Encyclopedia)pantheism pănˈthēĭzəm [key] [Gr. pan=all, theos=God], name used to denote any system of belief or speculation that includes the teaching “God is all, and all is God.” Pantheism, in other word...

Palladio, Andrea

(Encyclopedia)Palladio, Andrea ändrĕˈä päl-läˈdēō [key], 1508–80, Italian architect of the Renaissance. Originally a stonemason, he was trained as an architect in Vicenza, and later in Rome he examined t...

tea

(Encyclopedia)tea, tree or bush, its leaves, and the beverage made from these leaves. The plant (Camellia sinensis, Thea sinensis, or C. thea) is an evergreen related to the camellia and indigenous to Assam (India)...

bookkeeping

(Encyclopedia)bookkeeping, maintenance of systematic and convenient records of money transactions in order to show the condition of a business enterprise. The essential purpose of bookkeeping is to reveal the amoun...

roof

(Encyclopedia)roof, overhead covering of a building with its framework support. Various methods of construction, such as are suited to different climates, have diversified exterior and interior architectural effect...