1 文書を見つけるための辞書。

• study, subject area, bailiwick, subject field, discipline, subject, field, field of study
• 分野, 学科, 教科, 専門科目, 専門分野, フィールド, 科, 科目, 研究分野
• a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings"
• 知識の分野