English to English Dictionary

Radiostronomy

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

Radiotelephony

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

Railfan

A person who is enthusiastic about and intensely interested in trains and rail transport systems.

Rakehell

A dissolute or immoral person, particularly one who indulges in reckless or extravagant behavior.

Rallying cry

A phrase or slogan used to inspire or unite a group of people.

Rancorous

Characterized by bitterness or resentment.

Randomized Controlled Trial

A scientific experiment that aims to reduce bias when testing a new treatment or intervention by randomly assigning participants to either the treatment group or the control group.

Rank-and-file

The ordinary members of an organization, society, or workforce, excluding the leaders or officers.

Rankle

To cause persistent annoyance or resentment.

Rapeseed

A bright yellow-flowering plant of the mustard family, Brassica napus, cultivated extensively for its oil-rich seeds.

Rapist

A person who commits the crime of rape, forcing someone to have sexual intercourse against their will.

Raptness

The quality or state of being engrossed, fascinated, or completely absorbed in something.