noun-modifying (irregular)
decennial; recurring every ten years
Prenominal modifier used in formal or official contexts to describe events, plans, or surveys that occur every ten years.
十箇年計画の見直しが行われた。
The decennial plan was reviewed.
十カ年ごとの国勢調査が実施される。
A national census is conducted every ten years.
Variant using Arabic numeral 10.
Variant using Arabic numeral and katakana カ.
Variant using Arabic numeral and small katakana ヵ.
Variant using Arabic numeral and small katakana ヶ.
Variant using Arabic numeral and hiragana か.
Variant using Arabic numeral and full-width katakana ケ; less common.
Compound of 十 (ten) + counter 箇/カ/か (counter for items) + 年 (year). The counter variant spellings are all read as か.