actinium-free
|ac-tin-i-um-free|
C1
/ækˈtɪniəm friː/
without actinium
Etymology
Etymology Information
'actinium-free' originates from the element name 'actinium' combined with the suffix '-free', indicating the absence of the element.
Historical Evolution
The term 'actinium-free' evolved from the need to describe materials or substances that do not contain the radioactive element actinium.
Meaning Changes
Initially, it meant 'without actinium', and this meaning has remained consistent in modern usage.
Meanings by Part of Speech
Adjective 1
describing a substance or material that does not contain actinium.
The laboratory ensured that the samples were actinium-free.
Synonyms
actinium-lessactinium-absent
Antonyms
Last updated: 2025/05/30 03:28