-fuge Also -fugal.
An agent that dispels, drives away or eliminates something.
[Latin -fugus, from fugare, to drive away or to put to flight.]
Some terms here are medical: febrifuge, a drug or treatment that reduces or prevents fever; vermifuge, one that removes parasitic worms. A calcifuge (Latin calx, calc-, lime) is a plant that is not suited to soil containing lime, and so is figuratively driven away by it. Derived adjectives are formed in -fugal (febrifugal, vermifugal).
A centrifuge is a rotating device that separates substances; this derives from the related Latin verb fugere, to flee. Two other similarly formed common words are refuge and subterfuge.
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