非ひ常じょう呼こ集しゅう

noun

special call-up; emergency muster

Refers to an urgent summoning of personnel, often in military, disaster response, or organizational contexts. Not an everyday word.

• 災さい害がい発はっ生せい時じに消しょう防ぼう団だんの非ひ常じょう呼こ集しゅうがかかった。

  An emergency call-up of the fire brigade was issued when the disaster occurred.

• 非ひ常じょう呼こ集しゅうに応おうじて隊たい員いんがすぐに集あつまった。

  The members assembled immediately in response to the special call-up.