Definitions for ionophoreaɪˈɒn əˌfɔr, -ˌfoʊr
Random House Webster's College Dictionary
i•on•o•phoreaɪˈɒn əˌfɔr, -ˌfoʊr(n.)
any of a group of lipid-soluble substances that can transport an ion through a cell membrane.
Origin of ionophore:
any substance that can transfer ions from a hydrophilic medium (such as water) to a hydrophobic medium, or across a biological membrane, normally by forming a complex with it; an ion carrier