| centrifugation | (noun) the process of separating substances of different densities by the use of a centrifuge | - |
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| centrifuge | (noun) an apparatus that uses centrifugal force to separate particles from a suspension | Synonyms: extractor, separator |
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| febrifuge | (noun) any medicine that lowers body temperature to prevent or alleviate fever | Synonyms: antipyretic |
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| fug | (noun) (British informal) an airless smoky smelly atmosphere | - |
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| fugaciousness | (noun) the lack of enduring qualities (used chiefly of plant parts) | Synonyms: fugacity |
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| fugacity | (noun) the lack of enduring qualities (used chiefly of plant parts) | Synonyms: fugaciousness |
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| (noun) the tendency of a gas to expand or escape | - |
| fugitive | (noun) someone who is sought by law officers; someone trying to elude justice | Synonyms: fugitive from justice |
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| (noun) someone who flees from an uncongenial situation | Synonyms: fleer, runaway |
| fugleman | (noun) a leader and organizer and spokesman (especially a political leader) | - |
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| fugu | (noun) a blowfish highly prized as a delicacy in Japan but highly dangerous because the skin and organs are poisonous | - |
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| fugue | (noun) a musical form consisting of a theme repeated a fifth above or a fourth below its first statement | - |
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| (noun) a dreamlike state of altered consciousness that may last for hours or days | - |
| (noun) dissociative disorder in which a person forgets who they are and leaves home to create a new life; during the fugue there is no memory of the former life; after recovering there is no memory for events during the dissociative state | Synonyms: psychogenic fugue |
| insectifuge | (noun) a chemical substance that repels insects | Synonyms: insect repellant, insect repellent |
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| lactifuge | (noun) any agent that reduces milk secretion (as given to a woman who is not breast feeding) | - |
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| refuge | (noun) act of turning to for assistance | Synonyms: recourse, resort |
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| (noun) a shelter from danger or hardship | Synonyms: asylum, sanctuary |
| (noun) something or someone turned to for assistance or security | Synonyms: recourse, resort |
| (noun) a safe place | Synonyms: safety |
| refugee | (noun) an exile who flees for safety | - |
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| subterfuge | (noun) something intended to misrepresent the true nature of an activity | Synonyms: blind |
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| ultracentrifugation | (noun) centrifugation at very high speeds | - |
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| ultracentrifuge | (noun) a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins | - |
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| vermifuge | (noun) a medication capable of causing the evacuation of parasitic intestinal worms | Synonyms: anthelminthic, anthelmintic, helminthic |
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