食物 (shí wù) is the standard, neutral noun for 'food' in Mandarin — a general term covering anything edible, whether raw or prepared, plant-based or animal-derived. The character 食 means 'to eat' or 'edible', and 物 means 'thing' or 'substance'; together, they literally mean 'edible thing'. Unlike more specific terms like 菜 (cài, 'dish') or 零食 (língshí, 'snack'), 食物 emphasizes nutritional or biological function rather than preparation method or cultural context.

This word appears frequently in health, science, safety, and daily life contexts — for example, on food packaging (食品 shípǐn, 'food product'), in nutrition education, or when discussing allergies and dietary restrictions. It’s formal enough for writing and speech alike, but rarely used in casual exclamations (e.g., you wouldn’t say '好吃的食物!' as enthusiastically as just '好吃!'). It’s also commonly paired with classifiers like 种 (zhǒng, 'kind') — e.g., 多种食物 (duō zhǒng shíwù, 'many kinds of food').