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patent

mastery

/ˈpeɪtənt/nounadjverb

card 1 of 10 · context meaning

Which meaning of 'patent' best matches its use in the sentence?

The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.