An underlying layer; a substratum. / The substance lining the bottom edge of an enclosure. / (biochemistry) A substance acted upon, as by an enzyme.

(obsolete, transitive) To strew or lay under.

Having very slight furrows.

plural of substrate / (health) The calorie dense nutrients including carbohydrates, proteins, and fats.

Having substrata.

present participle of substrate

(linguistics) The theory that creoles take their structure from their substrate languages.

Of or pertaining to a substratum. / (linguistics) Specifically, pertaining to a substrate language.

(military, nuclear weapons) At a lesser level than full strategic nuclear warfare.

A secondary or subsidiary strategy.