ˌ ̷ ̷ ̷ ̷ˈmȯrfəsə̇s sometimes -ˌmȯrˈfōs- noun
( plural cyclomorpho·ses -ˌsēz)
Etymology: New Latin, from cycl- + -morphosis
: cyclically recurrent polymorphism occurring especially in marine planktonic animals possibly in response to seasonal changes in environmental salinity