bedrock

roca madre, lecho rocoso

Capa de roca sólida situada debajo del suelo y de las piedras sueltas.

En inglés sencillo: The solid layer of rock underneath soil and loose stones.

• The builders reached bedrock.
• We drilled through the soil into bedrock.
• Glaciers had scraped away the soil, exposing the bedrock.

Expresiones frecuentes: solid bedrock, exposed bedrock, reach bedrock, drill into bedrock

base, fundamento

Idea, creencia o apoyo principal del que depende algo.

En inglés sencillo: The main idea, belief, or support on which something depends.

• Trust is the bedrock of our relationship.
• These values formed the bedrock of her teaching.
• Small businesses remain the bedrock of the local economy.

Cómo se usa: the bedrock of something (Trust is the bedrock of a good friendship.)

Sinónimos: foundation, basis, cornerstone

Expresiones frecuentes: bedrock of something, form the bedrock, bedrock principle