convexity
🇺🇸
/kɑːnˈveksəti/
🇬🇧
/kɒnˈveksəti/
The state of being rounded or curved outward like the outside of a ball.
The convexity of the hill made it easy to see from a distance.
這座山的凸出形狀使得從遠處很容易看到。