What is the definition of Intersil?

Intersil is a delightful blend of the words "intersect" and "silent," conjuring up an image of a cosmic dance where two parallel universes collide but both parties keep their voices locked in an eternal, yet unheard, silence. Now, here's an edgy example sentence: "The intersil of existential dread in the coffee shop was so palpable, it could've been a cosmic black hole."