| DIVERSIFIABLE | • diversifiable adj. Capable of being diversified or varied. • DIVERSIFIABLE adj. capable of being diversified.
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| FIBRILLATIONS | • fibrillations n. Plural of fibrillation. • FIBRILLATION n. uncoordinated contraction of muscle-fibres in the heart.
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| FIBRINOLYSINS | • fibrinolysins n. Plural of fibrinolysin. • FIBRINOLYSIN n. any of several proteolytic enzymes that promote the dissolution of blood clots.
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| FILIBUSTERING | • filibustering v. Present participle of filibuster. • filibustering n. The act of one who filibusters.
 • FILIBUSTERING n. obstructing legislation by making long speeches.
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| FILIBUSTERISM | • filibusterism n. (Dated) Piracy, freebooting; the waging of unauthorised war. • filibusterism n. (US) The practice of forcefully and unauthorisedly acquiring control of foreign land.
 • filibusterism n. The practice of delaying legislation by filibuster or other obstructive tactics.
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| FILTERABILITY | • filterability n. The state or condition of being filterable. • FILTERABILITY n. the quality of being filterable, also FILTRABILITY.
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| FORCIBILITIES | • FORCIBILITY n. the quality of being forcible. | 
| FORMABILITIES | • formabilities n. Plural of formability. • FORMABILITY n. the quality of being formable.
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| FORMIDABILITY | • formidability n. The state of being formidable. • FORMIDABILITY n. the state of being formidable.
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| PROFITABILITY | • profitability n. The quality or state of being profitable; capacity to make a profit. • PROFITABILITY n. the state of being profitable.
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| REFLEXIBILITY | • reflexibility n. The quality or capability of being reflexible. • REFLEXIBILITY n. the state of being reflexible, capable of being reflected.
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| UNVITRIFIABLE | • unvitrifiable adj. Not vitrifiable. • UNVITRIFIABLE adj. not vitrifiable.
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| VERIFIABILITY | • verifiability n. The state or property of being capable of being verified; confirmability. • VERIFIABILITY n. the state of being verifiable.
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