| 单词 | tridecennary | 
| 释义 | † tridecennaryadj. Obsolete. rare.   Intended to mean: Of or pertaining to the number thirteen. By the form, it ought to mean ‘Of thirteen years’. ΘΚΠ the world > relative properties > number > specific numbers > eleven to ninety-nine > 			[adjective]		 > thirteen thirteena900 tridecennary1783 1783    W. Robertson Hist. Amer. 		(ed. 4)	 III. 385  				Computed..first by what he calls a tridecennary progression of days from one to thirteen,..and then by a septenary progression of days from one to seven, making in all twenty. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2021). < | 
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