(n) :
(biochemistry, nutrition) A chemical element in an organism’s diet that is required in very small amounts in order to maintain proper biochemical function.
(n) :
(chemistry) A chemical element present in a sample in very small quantities.
(n) :
(biochemistry, nutrition) A chemical element in an organism’s diet that is required in very small amounts in order to maintain proper biochemical function.
(n) :
(chemistry) A chemical element present in a sample in very small quantities.