ˌ ̷ ̷ ̷ ̷ˈbräsəd.ē, -sətē, -i noun
( -es )
Etymology: Medieval Latin tenebrositat-, tenebrositas, from Latin tenebrosus dark + -itat-, -itas ity
: darkness
switches off the light, calls for the first slide, and talks for three quarters of an hour in Stygian tenebrosity — Lancet