e·chi·no·coc·cus 
(ĭ-kī′nə-kŏkəs)
(ĭ-kī′nə-kŏkəs)n. pl. e·chi·no·coc·ci (-kŏksī′, -kŏkī′)
Any of several parasitic tapeworms of the genus Echinococcus, the larvae of which infect mammals and form large, spherical cysts in the liver or lungs, causing serious or fatal disease.
[New Latin Echīnococcus, genus name : ECHINO- + -COCCUS.]
- operand
- operant
- operant conditioning
- operantly
- operate
- operatic
- operatically
- operatics
- operating expenditure
- operating expense
- operating room
- operating system
- operation
- operational
- operationalism
- operationalist
- operationally
- operations research
- operative
- operatively
- operator
- opercular
- operculate
- operculated
- operculum