Definition of intermediate host in US English:
intermediate host
nounˈˌin(t)ərˈˌmēdēət hōst
Biology An organism that supports the immature or nonreproductive forms of a parasite.
Compare with definitive host
Example sentencesExamples
- Their life cycles depend on domesticated cattle and swine as intermediate hosts.
- Our biggest nightmare is that an intermediate host is out there carrying the virus and passing it onto other animals.
- That the mosquito was the intermediate host of the filarial parasite was a momentous discovery in 1877.
- Cats are the usual final host of this protozoan; but other mammals - including humans - and birds, can become intermediate hosts.
- This is because snails are the intermediate host to the parasite, which is released into shallow water, and then infects ducks and people.