1. antiviral inhibiting or stopping the growth and reproduction of viruses
  2. endeavor attempt by employing effort
  3. antifreeze a liquid added to the water in a cooling system
  4. enterovirus any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)
  5. Antivert an antihistamine used to treat or prevent motion sickness
  6. adenovirus any of a group of viruses including those that in humans cause upper respiratory infections or infectious pinkeye
  7. antithesis exact opposite
  8. amentiferous (of plants) bearing or characterized by aments or catkins
  9. antiphrasis the use of a word in a sense opposite to its normal sense
  10. antitrust of laws and regulations
  11. plant virus a plant pathogen that is a virus consisting of a single strand of RNA
  12. Junin virus the RNA virus that causes Argentine hemorrhagic fever
  13. anthophilous feeding on flowers
  14. rotavirus the reovirus causing infant enteritis
  15. antiserum blood serum containing antibodies against specific antigens
  16. arbovirus a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis
  17. Antigonus a general of Alexander the Great and king of Macedonia
  18. Antichrist the adversary of Christ mentioned in the New Testament
  19. dentifrice a substance for cleaning the teeth
  20. antefix carved ornament at the eaves of a tile roof concealing the joints between tiles

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