Altitude (9)
'altitude' is the definition.
(synonyms)
This is all the clue.
(Other definitions for height that I've seen before include "Measurement from top to bottom" , "Rising ground; extreme example" , "size up?" , "Distance form top to bottom" , "Vertical extension" .)
'altitude' is the definition.
(I know that altitude can be written as elevation)
This is the entire clue.
(Other definitions for elevation that I've seen before include "High point" , "Diagram" , "plan" , "Height above a given level" , "Height above sea level" .)