| Nitrogen oxide |
| Nitrogen monoxide |
| Nitrous oxide |
| dinitrogen monoxide |
| dinitrogen oxide |
| factitious air |
| hemioxyde d'azote |
| hyponitrous acid anhydride |
| laughing gas |
| n20 |
| nitrogen hypoxide |
| nitrogen oxide (n2o) |
| nitrous oxide gas |
| nitrous oxide, compressed |
| nitrous oxide, refrigerated liquid |
| oxido nitroso (spanish) |
| oxyde nitreux |
| nitrous oxide,refrigerated liquid |
| protoxyde d'azote (french) |
| nitrousoxide |
| stickdioxyd (german) |
| Dinitrogen oxide(Nitrous oxide) |
| Distickstoffoxid |
| Lachgas |
| Nitrogen oxide(N2O) |
| Stickoxidul |
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