the vertical dimension of extension; distance from the base of something to the top
<noun.attribute>
the property of being taller than average stature
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Tallness \Tall"ness\, n. The quality or state of being tall; height of stature.
With their large, frantic eyes and tense tallness, Jeff Goldblum and Julie Hagerty are perfectly cast as Bruce and Prudence, neurotics in search of mates.