phylactic

adjective
phy·​lac·​tic | \ fi-ˈlak-tik How to pronounce phylactic (audio) \

Medical Definition of phylactic

: serving to protect especially against disease phylactic treatments

Learn More about phylactic

Share phylactic

Comments on phylactic

What made you want to look up phylactic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to boil down or concentrate

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!