plata

From Vulgar Latin *platta, *plattus, borrowed from Ancient Greek πλατύς (platús, “wide”), because silver was often made into sheets.


agua

From Latin aqua, from Proto-Indo-European *h₂ekʷeh₂.


argón

Ultimately from Ancient Greek ἀργόν (argón).


cobre

From Late Latin cuprum (“copper”), from Latin cyprium (aes) (“Cypriot copper”), because Cyprus was its chief source.


cerveza

At least in this form, borrowed from Spanish cerveza.


electrón

(physics) electron (the negatively charged subatomic particles that orbit atoms)


lleche

From Late Latin lactem, from Latin lac. Compare Leonese lleite, Mirandese lheite, Spanish leche, as well as dialectal Leonese tsechi and Extremaduran llechi.

Ta frío la lleche

Cola lleche fáise quesu y mantiega


acetona

(organic chemistry) acetone (the organic compound (CH₃)₂CO)


molécula

(chemistry) molecule (group of atoms held together by chemical bonds)


radiu

Borrowed from French radium, from radio(actif) + -ium.


fierro

From Old Leonese fierru, from Latin ferrum.


estañu

From Latin stannum, stagnum, of Celtic origin.


ácidu

head

ácidu m sg (feminine singular ácida, neuter singular ácido, masculine plural ácidos, feminine plural ácides)

ácida (feminine singular)
ácido (neuter singular)
ácidos (masculine plural)
ácides (feminine plural)


granizu

From Latin grandine, singular ablative of grandō, "hail", "ice ball" (perhaps influenced by granu, grain), + -izu.


halóxenu

(chemistry) halogen (any element of group 7)


hidruru

(chemistry) hydride (compound of hydrogen)