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閏秒 (uruubyou) Japanese meaning: leap second | Kotomora

閏うるう秒びょう

う

る

う

びょ

う

Meanings

1

leap second

A one-second adjustment occasionally applied to Coordinated Universal Time (UTC) to keep it in sync with astronomical time.

今年ことしの6月がつ30日にちに閏うるう秒びょうが挿そう入にゅうされる予よ定ていです。

Kanji

閏intercalation, illegitimate throne
秒second (1/60 minute)

Related words

閏うるう年どし
閏年 refers to a leap year, while 閏秒 is a leap second, a much smaller time adjustment.

Written forms

閏うるう秒びょう
Standard kanji spelling for 'leap second'.

A leap second is scheduled to be inserted on June 30th this year.

うるう

秒びょう

Usage100%

Mixed kanji-kana spelling; the first character is written in kana, making it easier to read.

Etymology

Compound of 閏 (うるう, 'leap') and 秒 (びょう, 'second'). The term is a direct calque of English 'leap second'.