| Subject | English | Japanese |
| tech. | elliptical arch | 楕円アーチ (だえんアーチ) |
| gen. | elliptical arch dam | だ円アーチダム |
| gen. | elliptical bearing | だ円軸受 |
| gen. | elliptical bearing | 楕円軸受 |
| tech. | elliptical boiler | 楕円ポイラー (だえんポイラー) |
| gen. | elliptical crack | だ円状き裂 |
| gen. | elliptical crack | 楕円状き裂 |
| gen. | elliptical cut-water | 楕円形水切り |
| gen. | n elliptical galaxy | 楕円銀河 |
| phys. | elliptical nebula | 楕円星雲 (だえん・せいうん) |
| sat.comm. | elliptical orbit of a satellite | だ楕円軌道 衛星の |
| phys. | elliptical oscillation | 楕円振動 (だえん・しんどう) |
| radio | elliptical polarization | だ円偏波 (daen-henpa) |
| gen. | elliptical roller | 惰円形渦 |
| phys. | elliptical rotating magnetic field | 楕円回転磁界 (だえん・かいてん・ぢかい) |
| gen. | n elliptical shape | だ円形 |
| gen. | n elliptical shape | 楕円形 ichi1 |
| gen. | n adj-na uk elliptical shape | 歪 news2 nf43 (ひずみ) |
| construct. | elliptical stair | 楕円階段 (だえん・かいだん) |
| tech. | elliptical valve | 楕円弁 (だえんぺん) |