As far as I know,
to open a window simply means to
move the respective sash away, so that air may blow through (yeah, I know it's a clumsy defintiton).
- Is there a specific verb which would describe opening a window in the way the first window (from left) in the image is opened? My intuition is
to tilt out, but I have never seen it used in this way
- Similarly, is there a specific verb describing the way the second window in the image is open?