Meaning of the word "trace element" in English

What does "trace element" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

trace element

US /ˈtreɪs ˈɛl.ɪ.mənt/
UK /ˈtreɪs ˈɛl.ɪ.mənt/

Noun

a chemical element present only in minute amounts in a particular sample or environment

Example:
Zinc is an essential trace element for human health.
Soil analysis revealed a deficiency of certain trace elements.