[par-uh-hahy-druh-juh n] /ˌpær əˈhaɪ drə dʒən/
noun, Physics, Chemistry.
the form of molecular in which the nuclei of the two atoms contained in the molecule have spins in opposite directions.
(chem) the form of molecular hydrogen (constituting about 25 per cent of the total at normal temperatures) in which the nuclei of the two atoms in each molecule spin in opposite directions Compare orthohydrogen
[par-uh-ee-buh; Portuguese pah-rah-ee-bah] /ˌpær əˈi bə; Portuguese ˌpɑ rɑˈi bɑ/ noun 1. a state in E Brazil. 21,760 sq. mi. (56,360 sq. km). Capital: João Pessoa. /Portuguese paraˈiba/ noun 1. a state of NE Brazil, on the Atlantic: consists of a coastal strip, with hills and plains inland; irrigated agriculture. Capital: João Pessoa. Pop: 3 […]
[par-uh-in-floo-en-zuh] /ˌpær əˌɪn fluˈɛn zə/ noun, Pathology, Veterinary Pathology. 1. an influenzalike respiratory infection of animals and humans, caused by any of several paramyxoviruses.
- Parainfluenza 1 virus
parainfluenza 1 virus par·a·in·flu·en·za 1 virus (pār’ə-ĭn’flōō-ěn’zə) n. A paramyxovirus that causes acute laryngotracheitis in children and, sometimes, in adults. Also called hemadsorption virus type 2.
- Parainfluenza 2 virus
parainfluenza 2 virus n. A paramyxovirus associated with acute laryngotracheitis and croup in young children and minor upper respiratory infections in adults. Also called croup-associated virus.