DECENNIAL


Meaning of DECENNIAL in English

[de.cen.ni.al] adj (ca. 1656) 1: consisting of or lasting for

10. years

2: occurring or being done every

10. years "the ~ census" -- decennial n -- de.cen.ni.al.ly adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.