A darkened chamber in which the image of an outside object is projected and focused onto a surface.

plural of camera obscura

plural of camera obscura

A state of opposition to human progress or enlightenment. / Deliberate obscurity or vagueness.

A practitioner of obscurantism; an obscurant.

Of or relating to obscurantism.

plural of obscurantist

The state of being obscured. / A unit of measurement used in particular for smoke detectors which respond to absorption of light by smoke, in percent absorption per unit length, e.g. % obs/ft, % obs/m.

Acting or tending to confound, obfuscate, or obscure. / Typical of or pertaining to obscurants; obscurantic; obscurantistic.

One who acts to confound or obfuscate; an obscurantist. / A person who seeks to prevent or hinder enquiry and the advancement of knowledge or wisdom; an agent of endarkenment.