Definition of viroid in English:

viroid

noun ˈvʌɪrɔɪdˈvaɪrɔɪd

Microbiology

An infectious entity affecting plants, smaller than a virus and consisting only of nucleic acid without a protein coat.
〔微生物〕（造成植物病害的）类病毒，无壳病毒
Example sentencesExamples
- Prions do not contain DNA or RNA as do fungi, bacteria, viruses, viroids, or any other previously known infectious entities.
- They include animals, insects, and nematodes (while vine diseases include the microbes bacteria, fungi, phytoplasma, viroids, and virus).
- In 1971, ARS researchers determined that a viroid was the cause of potato spindle tuber disease, which previously had been identified as a virus.
- A single viroid was found to cause more than a dozen different plant diseases.
- Fast, accurate tests, based on antibody testing technology, were developed for trichinosis in pigs; for anaplasmosis, a costly parasitic disease in cattle; and for plant viruses and viroids.

Definition of viroid in US English:

viroid

nounˈvīroidˈvaɪrɔɪd

Microbiology

An infectious entity affecting plants, smaller than a virus and consisting only of nucleic acid without a protein coat.
〔微生物〕（造成植物病害的）类病毒，无壳病毒
Example sentencesExamples
- Fast, accurate tests, based on antibody testing technology, were developed for trichinosis in pigs; for anaplasmosis, a costly parasitic disease in cattle; and for plant viruses and viroids.
- In 1971, ARS researchers determined that a viroid was the cause of potato spindle tuber disease, which previously had been identified as a virus.
- Prions do not contain DNA or RNA as do fungi, bacteria, viruses, viroids, or any other previously known infectious entities.
- They include animals, insects, and nematodes (while vine diseases include the microbes bacteria, fungi, phytoplasma, viroids, and virus).
- A single viroid was found to cause more than a dozen different plant diseases.

词汇	viroid
释义	Definition of viroid in English: viroid noun ˈvʌɪrɔɪdˈvaɪrɔɪd Microbiology An infectious entity affecting plants, smaller than a virus and consisting only of nucleic acid without a protein coat. 〔微生物〕（造成植物病害的）类病毒，无壳病毒 Example sentencesExamples Prions do not contain DNA or RNA as do fungi, bacteria, viruses, viroids, or any other previously known infectious entities. They include animals, insects, and nematodes (while vine diseases include the microbes bacteria, fungi, phytoplasma, viroids, and virus). In 1971, ARS researchers determined that a viroid was the cause of potato spindle tuber disease, which previously had been identified as a virus. A single viroid was found to cause more than a dozen different plant diseases. Fast, accurate tests, based on antibody testing technology, were developed for trichinosis in pigs; for anaplasmosis, a costly parasitic disease in cattle; and for plant viruses and viroids. Definition of viroid in US English: viroid nounˈvīroidˈvaɪrɔɪd Microbiology An infectious entity affecting plants, smaller than a virus and consisting only of nucleic acid without a protein coat. 〔微生物〕（造成植物病害的）类病毒，无壳病毒 Example sentencesExamples Fast, accurate tests, based on antibody testing technology, were developed for trichinosis in pigs; for anaplasmosis, a costly parasitic disease in cattle; and for plant viruses and viroids. In 1971, ARS researchers determined that a viroid was the cause of potato spindle tuber disease, which previously had been identified as a virus. Prions do not contain DNA or RNA as do fungi, bacteria, viruses, viroids, or any other previously known infectious entities. They include animals, insects, and nematodes (while vine diseases include the microbes bacteria, fungi, phytoplasma, viroids, and virus). A single viroid was found to cause more than a dozen different plant diseases.
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