正せい称しょう

noun

official name; formal name

Refers to the proper, official, or formal designation of something, as opposed to a nickname or abbreviation.

• この団だん体たいの正せい称しょうは「日本にほん国こく際さい交こう流りゅう協きょう会かい」です。

  The official name of this organization is 'Japan International Exchange Association'.