octennial's Usage Examples:

reasons at the moment for avoiding unpopularity in Ireland, allowed an octennial bill (limiting the term of parliament to eight years) to pass, which was.

centennial, decennial, millennial, millennium, octennial, per annum, perennate, perennial, quadrennial, quadrennium, quinquennial, quinquennium, semiannual.

introduced them alternately every second year for two octennial periods: every third octennial period, however, Numa intercalated only [.

The local authority, Perth and Kinross, stated that the octennial anniversary of the city in 2009 should create "a foundation for Perth.

biennium, bimillennial, centennial, decennial, millennial, millennium, octennial, per annum, perennate, perennial, quadrennial, quadrennium, quinquennial.

Latin octō octangular, octennial, octovir octav- eighth Latin octāvus octaval octogen- eighty each Latin octogeni octogenarian, octogenary octogesim-.

nucleolar, nucleolate, nucleolus †nucula nucul- octāvus octav- eighth octaval, octave, octavo octō oct- eight octal, octangular, octavalent, octennial.

octavo octō oct- eight octal, octangular, octavalent, octennial, October, octofid, octopartite, octuped, octuple, octuplet, octuplicate octōdecim octodecim-.

octagon, octahedron, octameter, octode oct- eight Latin octō octangular, octennial, octovir octav- eighth Latin octāvus octaval octogen- eighty each Latin.