félnyílt
Félnyílt is a Hungarian adjective meaning partially opened, not fully opened or closed. It is used to describe objects whose aperture lies between fully closed and fully open, such as a door left ajar, a window that is slightly opened, or a lid that is not fully raised. In figurative use, it can describe a state that is not fully settled or decided.
Etymology and usage: The word is formed from fél (half) and nyílt (opened). It is commonly written
In mathematics and related fields: The term is also used to describe half-open intervals. A félnyílt intervallum