Cool-season grasses usually start growing two weeks after planting, while warm-season grasses can take up to 30 days to germinate. Cool-season grasses usually start growing two weeks after planting, while warm-season grasses can take up to 30 days to germinate.
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
1 An underlying layer; a substratum. ( 2 linguistics) A language that is replaced in a population by another language and that influences the language imposed on its speakers. ( 3 plating) A metal which is plated with another metal which has different physical properties. ( 4 construction) A surface to which a substance adheres.