| 释义 |
substratum /sub-sträˈtəm or -strāˈ/ noun (pl substraˈta)- A basis, foundation, ground
- The material in which a plant grows or on which an animal moves or rests
- An underlying layer, esp of rock or soil
ORIGIN: L substernere, -strātum, from sub under, and sternere to spread substraˈtal or substraˈtive adjective subˈstrate noun - A substratum
- A base
- A medium on which an organism can grow (biology)
- A solid object to which a plant, such as seaweed, is attached
- A body of material on or in which integrated circuits or circuit elements are fabricated (electronics)
- The substance or substances on which an enzyme can act
- The substances used by a plant in respiration (botany)
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