indurirsi (ww):
harden(en) to make hard(er).
(en) to become hard.
(fr) (Pronominal) Devenir dur, plus dur.., verharden(en) to make hard(er).
(en) to become hard., verstijven(en) to become hard.
(en) to make hard(er)., stalen(fr) (Pronominal) Devenir dur, plus dur.., temperen(fr) (Pronominal) Devenir dur, plus dur..
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com