noun which may take the genitive case particle 'no'
Used as a prefix-like element in compounds such as 超高層 (skyscraper), 超高圧 (ultra-high voltage), or 超高級 (super high-grade). Not a standalone adjective.
Skyscrapers stand in a row.
Handle ultra-high voltage current.
ultra-high vacuum; UHV; extremely high vacuum; XHV
ultrahigh purity
super-high speed
ultrahigh load-carrying capacity; ultrahigh load capacity
Compound of 超 (chō, 'super-') and 高 (kō, 'high').