Vantablack is stranger than it sounds.

Vantablack is a class of super-black coatings with total hemispherical reflectances (THR) below 1% in the visible spectrum.

Vantablack is a class of super-black coatings with total hemispherical reflectances (THR) below 1% in the visible spectrum. The name is a compound of the acronym VANTA and black.