New American Oxford Dictionary
Hystricomorpha
Hys tri co mor pha |ˌhistrikōˈmôrfə ˌhɪstrɪkoʊˈmɔrfə |Zoology a major division of the rodents that includes the guinea pigs, porcupines, coypu, and their relatives. They occur chiefly in South America. [Suborder Hystricomorpha, order Rodentia. ] DERIVATIVES hys tri co morph |ˈhistrikōˌmôrf |noun & adjective ORIGIN modern Latin (plural ), from Latin hystrix, hystric- ‘porcupine ’ (from Greek hustrix ) + morphē ‘form. ’
Oxford Dictionary
Hystricomorpha
Hystricomorpha |ˌhɪstrɪkə (ʊ )ˈmɔːfə | ▶plural noun Zoology a major division of the rodents which includes the guinea pigs, coypu, porcupines and their relatives. They occur chiefly in South America. ●Suborder Hystricomorpha, order Rodentia. DERIVATIVES hystricomorph noun & adjective ORIGIN modern Latin (plural ), from Latin hystrix, hystric- ‘porcupine ’ (from Greek hustrix ) + morphē ‘form ’.