| français | fra-000 |
| biconcave | |
| Universal Networking Language | art-253 | biconcave(icl>adj) |
| English | eng-000 | biconcave |
| Esperanto | epo-000 | bikonkava |
| Esperanto | epo-000 | dukonkava lenso |
| français | fra-000 | lentille divergente |
| русский | rus-000 | двояковогнутый |
| tiếng Việt | vie-000 | hai mặt lõm |