| Earth-norm n. | 1943 Sword of Johnny Damokles in Planet Stories Mar. 33/1 He led them down a succession of corridors to a room where temperature and gravity stood at Earth-norm. |
| Neptunian adj. | 1943 Sword of Johnny Damokles in Planet Stories Mar. 27/1 Are there any Neptunian cruisers massing? Have the planetary wars ended? |