unknown quantity

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Noun unknown quantity has 2 senses

unknown quantity - a factor in a given situation whose bearing and importance is not apparent; "I don't know what the new man will do; he's still an unknown quantity"
--₁ is a kind of factor
unknown, unknown quantity - a variable whose values are solutions of an equation
--₂ is a kind of variable

unknouwn unknowable unknowing unknowingly unknowingness unknowledgeable unknown unknown unknown quantity unknown region unknown soldier unknowns unlabeled unlabelled unlace unlaced unlady like

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