ultraheavy en · ADJ
Etymology
From ultra- + heavy.
Meanings
- Describing any atom that has a very large atomic weight; especially those that lie beyond fermium in the periodic table
- Extremely or exceedingly heavy.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| more ultraheavy | Degree=Cmp | lexicographic | |
| most ultraheavy | Degree=Sup | lexicographic |