Portuguese to English Dictionary (Dicionário Português-Inglês)

Radar

A system for detecting the presence, direction, distance, and speed of objects, typically used in aviation and maritime contexts.

Radarscope

A display device that shows the position of objects detected by radar.

Radiance

The quality or state of being radiant; brightness or light emitted from a source.

Radiate

To emit energy, especially light or heat, in the form of rays.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

Radiative

Relating to the emission of energy in the form of waves or particles.

Radical

Affecting the fundamental nature of something; far-reaching or thorough.

Radio Astronomy

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

Radio telescope

A directional antenna used in radio astronomy to gather radio frequency radiation from astronomical sources in the sky.

Radio-Phone

A device that transmits and receives sound via radio waves, allowing for wireless communication.

Radiography

The process of using X-rays to view the internal structure of an object, especially for medical diagnosis.

Radiotelephone

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