Atrium vs. Skylight

Atriumnoun

(architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.

Atriumnoun

(architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.

Atriumnoun

(anatomy) A cavity, entrance, or passage.

Atriumnoun

(anatomy) One of two upper chambers of the heart.

Atriumnoun

(biology) Any enclosed sexine and nexine layers, widening toward the interior of the grain.

Atriumnoun

A square hall lighted from above, into which rooms open at one or more levels.

Atriumnoun

The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.

Atriumnoun

A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.

Atriumnoun

A cavity, entrance, or passage; as, the atrium, or atrial cavity, in the body wall of the amphioxus; an atrium of the infundibula of the lungs, etc.

Atriumnoun

any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)

Atriumnoun

the central area in a building; open to the sky

Atriumnoun

an open-roofed entrance hall or central court in an ancient Roman house.

Atriumnoun

a central hall in a modern building, typically rising through several stories and having a glazed roof.

Atriumnoun

the forecourt of a large church built on the basilican plan.

Atriumnoun

each of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body, the left atrium oxygenated blood from the pulmonary vein.

Skylightnoun

(architecture) A window, dome, or opening in the roof or ceiling, to admit natural light.

Skylightnoun

(physics) Diffuse sky radiation—solar radiation reaching the earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere.

Skylightnoun

(volcanology) A hole in the upper part of a lava tube, yielding a view of the lava within.

Skylightnoun

A window placed in the roof of a building, in the ceiling of a room, or in the deck of a ship, for the admission of light from above.

Skylightnoun

a window in a roof to admit daylight

Skylight

A skylight (sometimes called a rooflight) is a light-transmitting structure or window, usually made of transparent or transluscent glass, that forms all or part of the roof space of a building for daylighting and ventilation purposes.