You searched for: “lipophilic
lipophilic (noun), more lipophilic, most lipophilic
1. Referring to an affinity for fat; lipotropic; oleophilic: A drug can be lipophilic and can be pesent for quite a while.

Lipophilic pertains to or is characterized by "lipophilia".
2. Pertaining to the absorption or dissolvableness in lipids: Certain stains or dyes are lipophilic, like the lysochrome that is a fat soluble dye.