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fertilization

(Encyclopedia)CE5 Fertilization of an egg cell fertilization, in biology, process in the reproduction of both plants and animals, involving the union of two unlike sex cells (gametes), the sperm and the ovum, f...

instrument-landing system

(Encyclopedia)CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio system designed to...

glutamic acid

(Encyclopedia)CE5 glutamic acid glo͞otămˈĭk [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer occurs in mammalian proteins. Like aspartic acid, glu...

glutamine

(Encyclopedia)CE5 glutamine glo͞oˈtəmēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer occurs in mammalian protein. Its structure is identical t...

goosefoot

(Encyclopedia)CE5 Lamb's-quarters Chenopodium album, a member of the goosefoot family goosefoot, common name for the genus Chenopodium, as well as for the goosefoot family, Chenopodiaceae, a family of widely di...

ginseng

(Encyclopedia)CE5 Dwarf ginseng, Panax trifolium ginseng jĭnˈsĕng [key], common name for the Araliaceae, a family of tropical herbs, shrubs, and trees that are often prickly and sometimes grow as climbing fo...

fructose

(Encyclopedia)CE5 fructose lĕvˈyəlōsˌ [key], or fruit sugar, simple sugar found in honey and in the fruit and other parts of plants. It is much sweeter than sucrose (cane sugar). It is best obtained by hydr...

Jenghiz Khan

(Encyclopedia)CE5 Empire of Jenghiz Khan (1227) Jenghiz Khan jĕngˈgĭs, gĕngˈgĭs kän [key], Mongolian Chinggis Khaan, 1167?–1227, Mongol conqueror, originally named Temujin. He succeeded his father, Yek...

morning glory

(Encyclopedia)CE5 Morning glory, Convolvulus arvensis morning glory, common name for members of the Convolvulaceae, a family of herbs, shrubs, and small trees (many of them climbing forms) inhabiting warm regio...

lysine

(Encyclopedia)CE5 lysine līˈsēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is one of several essential amino...