Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Greek
Origin: prophylaktikos, from prophylassein 'to guard before', from phylax 'guard'

prophylactic

1 adjective
     
Related topics: Hospital, Illness and Disability
pro‧phy‧lac‧tic1 technical
MH intended to prevent disease:
prophylactic antibiotics
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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