substrate

• Sustancia, material o superficie que sirve de base o soporte subyacente para un proceso, organismo o capa; incluye el material sobre el que actúa una enzima, la superficie de crecimiento, la capa inferior o el estrato lingüístico que influye sobre una lengua superpuesta.

A noun referring to a substance or surface that underlies or serves as a foundation for a process, organism, or layer, including the material acted upon by an enzyme, a surface for growth, an underlying stratum, or a linguistic layer influencing an invading language.

1. Enzyme substrateC1formalscientific

   The specific substance upon which an enzyme acts in a biochemical reaction.

   Sustrato enzimático

   • The enzyme binds to its substrate to catalyze the reaction.
   • Lactose is the substrate for the enzyme lactase.
   • The concentration of the substrate affects the rate of the reaction.

   Sinónimosreactantsubstance

2. Growth surfaceB2formalscientific

   A surface or material on which an organism, such as a plant, fungus, or microbe, grows or is attached.

   Sustrato de crecimiento

   • The moss grows on a rocky substrate.
   • Agar is used as a substrate for bacterial cultures.
   • The coral attaches itself to a hard substrate on the ocean floor.

   Sinónimosbasematrixmediumsubstratumsupport

3. Underlying layerC1formal

   A stratum or layer that lies underneath another, often in geology or materials science.

   sustrato (capa subyacente)

   • The geologist studied the substrate beneath the topsoil.
   • The paint was applied over a prepared substrate.
   • The substrate of the road must be stable to support the asphalt.

   Sinónimosbasebasementbedbedrockfloorfoundationsubstratum

   Antónimosoverlayersuperstrate

4. Linguistic substrateC2formal

   An indigenous language that influences the language of an invading or dominant population, often leaving traces in vocabulary or grammar.

   sustrato lingüístico

   • The Celtic languages acted as a substrate for English in some regions.
   • Linguists study the substrate effects in creole languages.
   • The substrate language contributed several place names to the dominant language.

   Sinónimossubstratum