noun
ground effect
Technical term in aviation referring to the increased lift and decreased drag experienced by an aircraft when flying close to the ground.
地面効果を利用して、飛行機は低空で効率的に飛行できる。
Using ground effect, an aircraft can fly efficiently at low altitude.
Compound of 地面 (ground) and 効果 (effect), likely a direct translation of the English term 'ground effect'.