Dictionary.com
Thesaurus.com

hypolydian mode

American  
[hahy-poh-lid-ee-uhn, hip-oh-, hahy-poh-, hip-oh-] / ˈhaɪ poʊˈlɪd i ən, ˈhɪp oʊ-, ˌhaɪ poʊ-, ˌhɪp oʊ- /

noun

Music.
  1. a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from C to C, with the final on F.


Etymology

Origin of hypolydian mode

1835–45; translation of Greek hypolýdios tónos; hypo-, Lydian mode