Definition of septennium in English:

septennium

Syllabification: sep·ten·ni·um
Pronunciation: /sepˈtenēəm
 
/

noun (plural septennia /-ˈtenēə/ or septenniums)

rare
A specified period of seven years.
More example sentences
  • This septennium must designate something peculiar and different from the time following.
  • In Wurtemburg the fall has been somewhat less striking, the mortality rates for the two septennia and for the year 1894 being 199, 107, and 104 respectively.

Origin

mid 19th century: from late Latin, from Latin septem 'seven' + annus 'year'.

Definition of septennium in:

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Pronunciation: wiːn
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be of the opinion; think or suppose