Denshi Jisho — Online Japanese dictionary

期間 きかん period; term; interval
Common word, Noun 
期間工 きかんこう factory worker with a fixed term contract of employment
Noun 
期間中 きかんちゅう during; for the duration of
Temporal noun 
期間限定 きかんげんてい 1: limited time;
2: limited-time offer
Common word, Noun, No-adjective 
期間社員 きかんしゃいん worker with a fixed term contract of employment
Noun, Abbreviation 
期間従業員 きかんじゅうぎょういん temporary worker; seasonal worker; worker with a fixed term contract of employment
Noun 
期間契約社員 きかんけいやくしゃいん worker with a fixed term contract of employment
Noun 

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