| 職業安定所 | Public Employment Security Office |
| 雲形定規 | French curve |
| 約定書 | written contract |
| 約定済み | promised |
| 老少不定 | Death comes to old and young alike, uncertainty of life |
| 座席指定券 | reserved-seat ticket |
| 思い定める | to be determined |
| 定めし | surely |
| 定滑車 | fixed pulley |
| 定休 | regular holiday |
| 安定した | steady, stable, calm, firm |
| 勘定を払う | to pay a bill |
| 欽定憲法 | constitution granted by the Emperor |
| 決定稿 | final manuscript |
| 定まり | rule, custom, tranquility, tranquillity |
| 暫定案 | provisional plan |
| 定期便 | regular service |
| 動安定 | dynamic stability |
| 予定から外す | to exclude from the schedule |
| 予定を変える | to change the schedule |
| 率を定める | to fix the rate |
| 支持力定式 | bearing capacity formula |
| 導波管定数 | waveguide constant |
| 安定状態 | steady state, stable state |
| 定常状態 | steady state |
| 規定打席 | regulation at batting |
| 限定詞 | determiner, qualifier, determinative |
| 固定票 | solid (an assured, a safe) vote, solid (assured) support |
| 国際協定 | international agreement, accord |
| 査定価格 | assessed value (price) |
| 暫定措置 | temporary step, stopgap measure |
| 焼肉定食 | set meal with grilled meat |
| 推定相続人 | heir(s) presumptive |
| 推定年齢 | estimated (probable) age (e.g. of victim) |
| 測定器 | measuring instrument |
| 測定装置 | measuring device |
| 測定値 | measured value |
| 通勤定期 | commutation ticket, season ticket |
| 定期検診 | periodic medical check-up (examination) |
| 定期試験 | regular (periodic) examination |
| 定期昇給 | regular (annual) pay raise |
| 定期乗車券 | season ticket, commutation (commuter) ticket |
| 定期戦 | regularly-scheduled game (match) |
| 定常波 | standing (stationary) wave |
| 定数是正 | reapportionment (of Diet seats) |
| 定年制 | mandatory retirement system, age-limit retirement system |
| 定年退職 | (compulsory) retirement (e.g. on reaching the age of 60), mandatory retirement, reaching retirement age |
| 認定証 | certificate |
| 部分否定 | partial negation |
| 法定代理人 | statutory representative, legal representative |
| 優勝決定戦 | deciding match (in a competition for a cup (pennant)) |
| 軟判定識別器 | soft-decision discriminator |
| 実定法 | positive law (i.e. law made by humans) |
| 人定 | enactment, establishment, creation |
| オープン勘定 | open account |
| キレート滴定 | chelatometric titration |