Definition of prophylaxis in English:

prophylaxis

Syllabification: pro·phy·lax·is
Pronunciation: /ˌprōfəˈlaksəs
 
/

noun

  • Action taken to prevent disease, especially by specified means or against a specified disease: the treatment and prophylaxis of angina pectoris
    More example sentences
    • In those who are severely immunosuppressed the treatment and prophylaxis of opportunistic infections remains important.
    • Containment may not be possible without vaccination, prophylaxis or effective treatment.
    • Most urologic procedures do not require preoperative antibiotic prophylaxis.
    Synonyms
    preventive treatment, prevention, protection, precaution

Origin

mid 19th century: modern Latin, from pro-2 'before' + Greek phulaxis 'act of guarding'.

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