Of, relating to, or designating a teleost fish in which there is no opening between the swim-bladder and the gut.
Origin
Late 19th century; earliest use found in Edward Cope (1840–1897). From scientific Latin Physoclisti, Physoclysti, former name of a division of teleost fishes + -ous.
Definition of physoclistous in US English:
physoclistous
adjectiveˌfʌɪsə(ʊ)ˈklɪstəs
Ichthyology
Of, relating to, or designating a teleost fish in which there is no opening between the swim-bladder and the gut.
Origin
Late 19th century; earliest use found in Edward Cope (1840–1897). From scientific Latin Physoclisti, Physoclysti, former name of a division of teleost fishes + -ous.