It has a polar part for mixing with water and a lipids and a hydrophobic portion for mixing with hydrophobic liquids. It has the effect of lowering the surface tension of a solution. Lowering the surface tension of a solution makes it feel oily, kinda like the feel of the water is a laundry machine or soapy dish water.
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.