didinium
noun
di·din·i·um
dīˈdinēəm
1
capitalized : a genus of carnivorous protozoans (order Holotricha) that feed on paramecia
2
plural didiniums
-mz
or didinia -nēə
: any protozoan of the genus Didinium 
Word History
Etymology
New Latin, from di- + Greek deinos terrible + New Latin -ium
- person of color
- person of incidence
- person of inherence
- person of interest
- person-hour
- person-to-person
- persona
- persona gra
- persona grata
- persona gratissima
- persona non grata
- personability
- personable
- personableness
- personablenesses
- personae
- personae gratissimae
- personae non gratae
- personage
- personages
- personal
- personal account
- personal action
- personal ad
- personal belongings