| NOUN | substance | actinide series | (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium |
|---|
| Meaning | (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium. | |
|---|---|---|
| Category | chemistry, chemical science | The science of matter |
| Broader | series | Similar things placed in order or happening one after another |
TV-Shopping Popular products seen on TV