actinoid Definition
any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium).
Using actinoid: Examples
Take a moment to familiarize yourself with how "actinoid" can be used in various situations through the following examples!
Example
Actinoids are used in nuclear reactors.
Example
The actinoid series is located at the bottom of the periodic table.
Origins of actinoid
from actinium, the first element in the series, + -oid, meaning 'resembling'
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Summary: actinoid in Brief
'Actinoid' [ak-tuh-noid] refers to any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). The actinoid series is located at the bottom of the periodic table and is used in nuclear reactors.
