noun
oiliness; greasiness
Refers to the presence or degree of oil or grease, often used when describing food, skin, or surfaces.
この料理は油気が多くて胃にもたれる。
This dish is too oily and sits heavy on the stomach.
脂気の多い食べ物を控えてください。
Please avoid foods with a lot of grease.
Compound of 油/脂 (あぶら, 'oil' or 'fat') and 気 (け, 'feeling' or 'indication'), literally meaning 'oiliness' or 'greasiness'.