optimality
构词拆分
optimal词根/词干
+
-ity后缀
Used to form an uncountable noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description. · Used to form a countable noun from an adjective, referring to someone or something that conforms to the adjective's description.
词源说明
释义（英文）
名词 Noun
- The property of being optimal.