Actinic rays

That portion of the electromagnetic spectrum immediately below the visible range and extending into the x-ray frequencies. The longer wavelengths (near-UV or biotic or vital rays) ...

actinic rays

Language; Encyclopedias

Non-luminous rays of higher frequency than the luminous rays.

rays

Building materials; Lumber

A ribbon-like arrangement of cells, usually oriented in the radial direction.

rays

Earth science; Seismology

The normals to the wavefront and point in the direction of propagation.

Yoni

Language; Encyclopedias

A Hindu symbol of the female principle in nature, and as such an object of worship. See Linga.

Zacoccia

Language; Encyclopedias

A king of Mozambique who, according to the Lusiad, received Vasco da Gama with welcome, believing him to be a Mohammedan, but conceived feelings of bitterest hatred to him when he ...

unitarians

Language; Encyclopedias

A designation applicable to all monotheists in religion, including Jews and Mohammedans, but generally and more specially applied to those who deny the Church doctrine of the ...

Ural

Language; Encyclopedias

A river of Russia, which rises in the E. of the Urals and forms part of the boundary between Europe and Asia, and falls after a course of 870 m. by a number of mouths into the ...

Tournay

Language; Encyclopedias

A town of Hainault, Belgium, on the Scheldt, 35 m. SW. of Brussels; in the 5th century was the seat of the Merovingian kings, but now presents a handsome modern appearance; has a ...