1.any substance that can be metabolized by an organism to give energy and build tissue
2.any solid substance (as opposed to liquid) that is used as a source of nourishment;
food and drink
3.anything that provides mental stimulus for thinking
food:解作食品,是指各種供人使用或飲用的成品或原料,是人類生存和發展的最基本物質。所謂食品,實際上是指供人們飲食的,可維持、改善或者調節人體代謝機能,具有營養性、功能性、多樣性的食物類產品。解釋 食品 《食品工業基本術語》對食品的定義:可供人類食用或飲用的物質,包括加工食品,半成品和未加工食品,不包括煙草或只作藥品用的物質。