Italian to English Dictionary (Dizionario Italiano-Inglese)

Radio astronomy

The branch of astronomy that studies celestial bodies by means of the radio waves they emit.

Radioastronomy

The branch of astronomy that studies celestial bodies and phenomena by measuring the radio waves they emit.

Radiograph

An image produced on a sensitive plate or digital detector by X-rays, gamma rays, or similar ionizing radiation.

Radiostronomy

The branch of astronomy that deals with the study of celestial objects through their radio emissions.

Radiotechnology

The science, engineering, and application of equipment utilizing radio waves for communication, broadcasting, radar, and remote control.

Radiotelephone

A device that allows for wireless communication of voice over radio frequencies.

Radiotelephony

The technology and practice of using radio waves to transmit voice communications over distances.

Ragout

A main-dish stew consisting of pieces of meat or fish and vegetables heavily seasoned and slowly cooked.

Raison d'etre

The most important reason or purpose for someone or something's existence.

Ramification

A complex or unwelcome consequence of an action or event.

Rancorous

Characterized by bitterness or resentment.

Rankle

To cause persistent annoyance or resentment.