Arias-stella reaction
arias-stella reaction
arias-stella reaction n.
see arias-stella phenomenon.
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- Ariboflavinosis
ariboflavinosis ariboflavinosis a·ri·bo·fla·vin·o·sis (ā-rī’bō-flā’və-nō’sĭs) n. a condition caused by a riboflavin deficiency, characterized by chilosis or angular stomat-tis and a magenta-colored tongue. also called hyporiboflavinosis.
- Arid
being without moisture; extremely dry; parched: arid land; an arid climate. barren or unproductive because of lack of moisture: arid farmland. lacking interest or imaginativeness; sterile; jejune: an arid treatment of an exciting topic. synonyms: dull, tedious, dreary, vapid, uninspired, uninspiring; pedantic. antonyms: lively, interesting, exciting, spirited, imaginative. contemporary examples media people, always on perpetual […]
- Arid zone
noun either of the zones of lat-tude 15–30° n and s characterized by very low rainfall and desert or semidesert terrain historical examples like most of the west coast towns of the arid zone, iquique is devoid of edificial interest. journeys and experiences in argentina, paraguay, and chile henry stephens some of the plateaus are […]
- Aridification
the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- Aridisol
a soil type common to the world’s deserts, poor in organic matter and rich in salts. noun a soil that is typically saline or alkaline with very little organic matter, found in arid regions