Oligoelement definitions

oligoelement

a chemical substance, minute amounts of which can be found in living organisms.
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio60.html

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oligoelement

A chemical substance, minute amounts of which can be found in living organisms. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

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