Inventions & discoveries: Z
4 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| Zaremba's conjecture | 1972 | Stanisław Krystyn Zaremba | hypothesis |
| Zingerone | 1917 | Hiroshi Nomura | type of chemical entity |
| Zipper | 1893 | Whitcomb L. Judson | — |
| Zirconium | 1789 | Jöns Jacob Berzelius | lithophile element |