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"Lo cual" is a phrase which is often translated as "which", and "lo que" is a phrase which is often translated as "what". Learn more about the difference between "lo cual" and "lo que" below.
lo cual(
loh
 
kwahl
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. which
Silvia está completamente curada después de la operación de corazón que le hicieron, lo cual es un gran alivio.Silvia is completely cured after the heart surgery she underwent, which is a great relief.
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lo que(
loh
 
keh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. what
No sé lo que quiero para mi cumpleaños.I don't know what I want for my birthday.
Lo que no entiendo es cómo entró el ladrón a la casa.What I don't understand is how the thief entered the house.
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