With its Latin prefix sub-, "below", substrate obviously refers to a layer under something else. Rock may serve as the substrate for the coral in a coral reef. Tiny wafers of silicon (or another semiconductor) …

Substrate (printing), the base material that images will be printed onto Printed circuit board (PCB), or more specifically, the electrically insulating portion of a PCB structure, such as fiberglass bound …

SUBSTRATE meaning: 1. a substance or surface that an organism grows and lives on and is supported by 2. a substance…. Learn more.

SUBSTRATE definition: a substratum. See examples of substrate used in a sentence.

1. The material or substance on which an enzyme acts. See Note at enzyme. 2. The surface on which plants, algae, or certain animals, such as barnacles, live or grow. A substrate may serve as a source …

Definition of substrate noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 12, 2025 · A substrate is the specific molecule an enzyme acts upon to facilitate a chemical reaction. Enzymes, typically proteins, possess an active site where the substrate binds.