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Webster 1913 Edition

Septuagesimal

Sepˊtu-a-ges′i-mal

,

Adj.

Consisting of seventy days, years, etc.; reckoned by seventies.

Our abridged and

septuagesimal

age.

Sir T. Browne.

Webster 1828 Edition

Septuagesimal

SEPTUAGES'IMAL

,

Adj.

[supra.] Cosisting of seventy.

Our abriged and septuagesimal age. Brown.