unfrequency

释义与例句

n.
  1. 1.

    Obsolete form of infrequency.

    废旧 不可数

    The unfrequency of the exercising boyes in versions and translations, is also a great error: for this will be found a better mean to inure them to Latine than either grammaires, lessons, or confabulations.

词源

From unfrequent + -cy.

来源：wiktionary