| pumpun | flock together. |
| pumpun | |||
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Sinonim
|
| pumpun konjugat | conjugate focus |
| pumpun meridional | meridional focus |
| pumpun newton | newtonian focus |
| pumpun prima | prime focus |
| pumpun primer | primary focus |
| pumpun santir | image focus |
| pumpun sekunder | secondary focus |
| pumpun singgung | tangential focus |
| pumpun utama | principal focus |
| pumpun-dalam | deep-focus |
| pumpunan | 1 meeting place, 2 center. |