hystricomorph
noun
any rodent of the suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas
adjective Also: hystricomorphic (hɪˌstraɪkəʊˈmɔːfɪk)
of, relating to, or belonging to the Hystricomorpha
Word Origin for hystricomorph
C19: from Latin hystrix porcupine, from Greek hustrix
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