[{"Bold_text": "noun", "List Items": ["something that is spread or laid under something else; a stratum layer lying under another.", "something that underlies or serves as a basis or foundation.", "Agriculture.the subsoil.", "Biology.the base or material on which a nonmotile organism lives or grows.", "Philosophy.substance, considered as that which supports accidents or attributes.", "Photography.a layer of material placed directly on a film or plate as a foundation for the sensitive emulsion.", "Historical Linguistics.a set of features of a language traceable to the influence of an earlier language that it has replaced, especially among a subjugated population:The French word for 80, quatre-vingts (“four twenties”), may reflect a Celtic substratum."]}]