Definition of blue tick in English:

blue tick

noun ˌbluː ˈtɪk

Any of several cattle ticks of the genus Rhipicephalus and subgenus Boophilus (family Ixodidae); specifically R. decoloratus, which is found mainly in sub-Saharan Africa and transmits babesiosis (redwater), anaplasmosis, and other parasitic diseases in wild and domesticated mammals.

Origin

Mid 19th century; earliest use found in Journal Royal Asiatic Society. From blue + tick, so called because of the blue appearance of the body of the engorged female.

Definition of blue tick in US English:

blue tick

nounˌbluː ˈtɪk

Any of several cattle ticks of the genus Rhipicephalus and subgenus Boophilus (family Ixodidae); specifically R. decoloratus, which is found mainly in sub-Saharan Africa and transmits babesiosis (redwater), anaplasmosis, and other parasitic diseases in wild and domesticated mammals.

Origin

Mid 19th century; earliest use found in Journal Royal Asiatic Society. From blue + tick, so called because of the blue appearance of the body of the engorged female.

词汇	blue tick
释义	Definition of blue tick in English: blue tick noun ˌbluː ˈtɪk Any of several cattle ticks of the genus Rhipicephalus and subgenus Boophilus (family Ixodidae); specifically R. decoloratus, which is found mainly in sub-Saharan Africa and transmits babesiosis (redwater), anaplasmosis, and other parasitic diseases in wild and domesticated mammals. Origin Mid 19th century; earliest use found in Journal Royal Asiatic Society. From blue + tick, so called because of the blue appearance of the body of the engorged female. Definition of blue tick in US English: blue tick nounˌbluː ˈtɪk Any of several cattle ticks of the genus Rhipicephalus and subgenus Boophilus (family Ixodidae); specifically R. decoloratus, which is found mainly in sub-Saharan Africa and transmits babesiosis (redwater), anaplasmosis, and other parasitic diseases in wild and domesticated mammals. Origin Mid 19th century; earliest use found in Journal Royal Asiatic Society. From blue + tick, so called because of the blue appearance of the body of the engorged female.
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