noun, noun which may take the genitive case particle 'no'
steep slope; steep incline
Refers to a sharply inclined surface or gradient, often in geographical or engineering contexts.
この道は急傾斜なので、冬は通行止めになる。
This road is closed in winter because of its steep incline.
急傾斜地での工事は危険を伴う。
Construction on steep slopes involves danger.
Compound of 急 (きゅう, 'steep, sudden') and 傾斜 (けいしゃ, 'slope, inclination').