Definition of 'unknown quantity'
Example sentences containing 'unknown quantity'
If she was something of an unknown quantity last season, people are going to be paying attention now.Times, Sunday Times (2015) Times, Sunday Times (2013) Times, Sunday Times (2007)
They can still be bought and sold on AIM but remain very much an unknown quantity and are still highly speculative.Times, Sunday Times (2016)
Definition of unknown quantity from the Collins English Dictionary
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