a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)
- Perthes disease
Perthes disease Per·thes disease (pěr’tēz, -těs) n. See osteochondritis deformans juvenilis.
[pur-thahyt] /ˈpɜr θaɪt/ noun, Mineralogy. 1. a variety of feldspar containing irregular bands of albite in microcline.
[purth-sheer, -sher] /ˈpɜrθ ʃɪər, -ʃər/ noun 1. (def 1). /ˈpɜːθˌʃɪə; -ʃə/ noun 1. (until 1975) a county of central Scotland, now part of Perth and Kinross council area
[pur-tn-ey-shuh s] /ˌpɜr tnˈeɪ ʃəs/ adjective 1. holding tenaciously to a purpose, course of action, or opinion; resolute. 2. stubborn or obstinate. 3. extremely or objectionably persistent: a pertinacious salesman from whom I could not escape. /ˌpɜːtɪˈneɪʃəs/ adjective 1. doggedly resolute in purpose or belief; unyielding 2. stubbornly persistent adj. 1620s, from pertinacy (late 14c.; […]