Noun

• S: (n) substrate (the substance that is acted upon by an enzyme or ferment)
• S: (n) substrate, substratum (a surface on which an organism grows or is attached) "the gardener talked about the proper substrate for acid-loving plants"
• direct hypernym / inherited hypernym / sister term
• S: (n) surface (the extended two-dimensional outer boundary of a three-dimensional object) "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"
• S: (n) boundary, bound, bounds (the line or plane indicating the limit or extent of something)
• S: (n) extremity (the outermost or farthest region or point)
• S: (n) region, part (the extended spatial location of something) "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
• S: (n) location (a point or extent in space)
• S: (n) object, physical object (a tangible and visible entity; an entity that can cast a shadow) "it was full of rackets, balls and other objects"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• S: (n) substrate, substratum (any stratum or layer lying underneath another)
• direct hypernym / inherited hypernym / sister term
• S: (n) substrate, substratum (an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population) "the Celtic languages of Britain are a substrate for English"
• direct hypernym / inherited hypernym / sister term