open (attitude, etc.); openhearted; frank; open (space); spacious
sense of space; spaciousness
opening up of a market; market liberalization
Reform and Opening-up (Chinese economic policy)
open blood-vascular system
Open Document Architecture; ODA
Integrated open hypermedia; IOH
Liberation Day (in Korea, Italy, etc.)
f-number; focal ratio; f-ratio; f-stop
opening up a kindergarten playground to young children and parents from the local area