the occurrence of an abrupt, transient loss or impairment of consciousness (which is not subsequently remembered), sometimes with light twitching, fluttering eyelids, etc.
2
the state of impairing the quality or reducing the value of something n
3
n a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten n the state of impairing the quality or reducing the value of something v lower in value by increasing the base-metal content v make an alloy of
4
visual impairment without apparent organic pathology
5
a relating to an impairment or loss of the sense of smell