長期間

• Reading: ちょうきかん
• Romaji: choukikan
• Kanji breakdown: 長 (chou/naga) — long; 期 (ki) — period, term; 間 (kan/aida) — interval, between
• Pronunciation: /tɕoː.ki.kaɴ/

Meaning

Long period of time. Refers to an extended span of time for situations, stays, or processes.

A noun composed of 長 (long), 期 (period), and 間 (interval). The counterpart of 短期間. Often used as an adverb or noun modifier to describe situations that extend over a lengthy timeframe. Frequently combined with にわたって (spanning) for emphasis.

Examples

1. 長期間の出張で家族に会えなかった。 I couldn't see my family due to a lengthy business trip.
2. 長期間にわたって研究を続けている。 I have been continuing my research over a long period of time.
3. この薬は長期間服用しないでください。 Please do not take this medication for a long period of time.

Usage Guide

Context: medical, work, research

Tone: neutral

Origin & History

Compound of 長 (long), 期 (period), and 間 (interval). The direct counterpart to 短期間, formed with the same structure but with 長 replacing 短.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal