| AQUIFOLIACEOUS | • aquifoliaceous adj. (Botany) Belonging to the Aquifoliaceae. • AQUIFOLIACEOUS adj. belonging to the holly family.
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| DISQUALIFIABLE | • disqualifiable adj. Able to be disqualified. • DISQUALIFIABLE adj. capable of being disqualified.
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| EIGENFREQUENCY | • eigenfrequency n. Natural frequency: the frequency at which a system tends to oscillate in the absence of any driving or damping force. • EIGENFREQUENCY n. a resonance frequency of a system.
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| FOURSQUARENESS | • FOURSQUARE n. forthright, marked by boldness and conviction. | 
| FREQUENTATIONS | • frequentations n. Plural of frequentation. • FREQUENTATION n. the act of frequenting.
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| FREQUENTATIVES | • frequentatives n. Plural of frequentative. • FREQUENTATIVE n. a tense of a verb denoting a repeated or recurrent action or state.
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| FREQUENTNESSES | • FREQUENTNESS n. the state of being frequent. | 
| MOSQUITOFISHES | • mosquitofishes n. Plural of mosquitofish. • MOSQUITOFISH n. a species of freshwater fish, native to the southeastern US.
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| MULTIFREQUENCY | • multifrequency adj. Of or pertaining to multiple frequencies. • MULTIFREQUENCY adj. having many frequencies.
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| QUALIFICATIONS | • qualifications n. Plural of qualification. • QUALIFICATION n. a restriction in meaning or application.
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| QUALIFICATIVES | • qualificatives n. Plural of qualificative. • QUALIFICATIVE n. something serving to qualify.
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| QUANTIFICATION | • quantification n. The act of quantifying. • quantification n. (Economics) The expression of an economic activity in monetary units.
 • quantification n. (Logic) A limitation that is imposed on the variables of a proposition.
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| QUATREFEUILLES | • quatrefeuilles n. Plural of quatrefeuille. • QUATREFEUILLE n. a four-petalled flower or leaf of four leaflets; an openwork design or ornament divided by cusps into four lobes, also QUATREFOIL.
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| QUINQUEFARIOUS | • quinquefarious adj. (Botany, rare) Arranged in five vertical rows. • QUINQUEFARIOUS adj. arranged in five rows.
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| QUINQUEFOLIATE | • quinquefoliate adj. (Botany) Having five leaves or leaflets. • QUINQUEFOLIATE adj. having five leaves.
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| QUIZZIFICATION | • quizzification n. (Dated) quizzing; teasing; mockery. • QUIZZIFICATION n. quizzing.
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| SQUIRRELFISHES | • squirrelfishes n. Plural of squirrelfish. • SQUIRRELFISH n. any of various brightly-coloured marine fishes of the family Holocentridae of shallow tropical waters, so called because their large eyes resemble those of the squirrel.
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| UNDERQUALIFIED | • underqualified adj. Lacking the suitable qualifications for a particular job. • UNDERQUALIFIED adj. insufficiently qualified.
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| UNQUANTIFIABLE | • unquantifiable adj. Incapable of being quantified or precisely defined mathematically. • unquantifiable n. Something that cannot be quantified.
 • UNQUANTIFIABLE adj. not quantifiable.
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| UNQUANTIFIABLY | • unquantifiably adv. In a way that cannot be quantified. |