1) Alter 2) Change 3) Modify 4) Oxidized 1) Oxidized 2) Rusted 
Fired in a kiln with adequate oxygen leaving metallic colours bright. Oxygen is only required in kilns in which combustion occurs, i.e. gas or wood kilns. Electric kilns give oxidised results since there is no combustion.
A negative term indicating that a wine that has suffered oxidation. Such wines are brown in colour, lack overall freshness and be harsh on the palate.
A chemical reaction with oxygen or where electrons are lost. See reduced.A chemical reaction with oxygen or where electrons are lost. See reduced.