Synonyms for protactinium
- noun
Most common
Definitions
- n. 1
A chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.
Example sentences
- pa Today, Pa Book is a zero-waste model community.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| protactinium | falling | |
| pa | falling |
Use in printed books, per decade from 1850 to 2019.
By length
- 2 letters
- pa1
- 13 letters
- protoactinium