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"Roca" is a noun which is often translated as "rock", and "piedra" is a noun which is often translated as "stone". Learn more about the difference between "roca" and "piedra" below.
la roca(
rroh
-
kah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
la piedra(
pyeh
-
drah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
2. (piece)
b. rock (United States)
Regionalism used in the United States
La playa a la que fuimos estaba llena de piedras.The beach we went to was full of rocks.
3. (medicine)
a. flint
La piedra del mechero está bien pero falta fluido.The flint of the lighter is fine but there's no fluid.