プログレッシブ和英中辞典(第4版)の解説
げんしょく【減食】
a diet
減食する reduce one's intake of food; diet; cut down on one's meals
目下減食中です
I'm 「cutting down on what I eat [dieting/on a diet] right now.
減食療法
a diet cure
減食療法を施す
reduce a patient's intake of food／treat a patient by reducing his [her] intake of food