los núcleos
-the nuclei
See the entry for núcleo.

núcleo

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NOUN
(biology)-nucleus
Synonyms for núcleo
el centro
center
la entraña
heart
el meollo
marrow
NOUN
(key part)-core
Synonyms for núcleo
la esencia
essence
la clave
key
el meollo
marrow
el quid
crux
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