noun, noun or participle which takes 'suru', transitive verb
firing; launching; shooting; discharge; catapulting
Used for sending something out with force from a gun, launcher, rocket system, catapult-like mechanism, or other device. Common in news and technical contexts with objects such as ロケット, ミサイル, 弾, and 信号弾.
宇宙センターから新しいロケットを発射した。
They launched a new rocket from the space center.
兵士は合図として信号弾を発射した。
The soldier fired a signal flare as a sign.
noun, noun or participle which takes 'suru', transitive verb
Sexual slang extension based on the image of firing or shooting. It is casual and can sound crude; the more direct standard term is 射精.
その下ネタ漫画では「発射しそう」という表現が使われていた。
That dirty-joke manga used the expression, “I’m about to come.”