Columbia Encyclopedia

Search results

454 results found

chalcedony

(Encyclopedia)chalcedony kălsĕdˈənē [key] [from Chalcedon], form of quartz the crystals of which are so minute that its crystalline structure cannot be seen except with the aid of a microscope. Chalcedony has ...

ipecac

(Encyclopedia)ipecac ĭpˈĭkăk [key], drug obtained from the dried roots of a creeping shrub, Cephaelis (or Psychotria) ipecacuanha, native to Brazil but cultivated in other tropical climates. There are three var...

Inns of Court

(Encyclopedia)Inns of Court, collective name of the four legal societies in London that have the exclusive right of admission to the bar. These societies—Lincoln's Inn, Gray's Inn, the Inner Temple, and the Middl...

mildew

(Encyclopedia)mildew, name for certain fungi and protists, for the diseases they cause in various crops, and for the discoloration (and sometimes the weakening and disintegration) they cause in such materials as le...

partridge

(Encyclopedia)partridge, common name applied to various henlike birds of several families. The true partridges of the Old World are members of the pheasant family (Phasianidae); the common European or Hungarian spe...

nutcracker

(Encyclopedia)nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...

markhor

(Encyclopedia)markhor märˈkôr [key], wild goat, Capra falconeri, found in the rugged mountains of central Asia, from S Russia to the W Himalayas. Largest of the goats, the male may stand over 40 in. (100 cm) at ...

Marshall, Kerry James

(Encyclopedia)Marshall, Kerry James, 1955–, American painter, b. Birmingham, Ala., B.F.A. Otis Art Institute (now Otis College of Art and Design), Los Angeles, 1978. A figurative and narrative artist whose subjec...

Karakul sheep

(Encyclopedia)Karakul sheep kărˈəkəl [key], breed native to central Asia. The newborn lambs usually have tightly curled black fur and are skinned before they are three days old to provide the commercial lambski...

talc

(Encyclopedia)talc, mineral ranging in color from white through various shades of gray and green to the red and brown of impure specimens, translucent to opaque, and having a greasy, soapy feel. It is a hydrous sil...

Browse by Subject