QUICK ANSWER
"Memorize" is a transitive verb which is often translated as "memorizar", and "by heart" is a phrase which is often translated as "de memoria". Learn more about the difference between "memorize" and "by heart" below.
memorize(
meh
-
muh
-
rayz
)
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
transitive verb
a. memorizar
I was the first in my class to memorize the alphabet.Fui la primera de mi clase en memorizar el alfabeto.
b. aprender de memoria
I have to memorize this poem for tomorrow.Tengo que aprender este poema de memoria para mañana.
Copyright © 2025 Dictionary Media Group, Inc.
by heart(
bay
 
hart
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. de memoria
I know all my students' names by heart.Me sé todos los nombres de mis alumnos de memoria.
Copyright © 2025 Dictionary Media Group, Inc.