INTERLAYER
interlayer
(noun) a layer placed between other layers
Source: WordNet® 3.1
Etymology
Adjective
interlayer (not comparable)
Situated between layers.
Noun
interlayer (plural interlayers)
A layer of material sandwiched between others, especially a layer of plastic between the layers of laminated glass.
Verb
interlayer (third-person singular simple present interlayers, present participle interlayering, simple past and past participle interlayered)
(transitive) To layer among each other; to produce alternating layers of.
Source: Wiktionary