The ancient Egyptian sun god, considered one of the most important deities in Egyptian mythology.
RabbiA Jewish scholar or teacher, especially one who studies or teaches Jewish law.
RabbleA disorganized or disorderly crowd of people.
Rabble-RouserA person who stirs up others, often for political purposes, inciting excitement or unrest.
RabiesA viral disease that causes inflammation of the brain and is transmitted through the bite of a rabid animal.
RachialRelating to the spine or vertebral column.
RachianesthesiaA medical term referring to the loss of sensation in the lower part of the body due to spinal injury or disease.
RachitisA disease characterized by the softening and weakening of bones in children, typically caused by a deficiency of vitamin D.
RacketA device with a handle and a grid of strings used to hit a ball in sports like tennis.
RadA slang term meaning excellent or cool, often associated with youth culture.
RadialRelating to or arranged like rays or radii; extending outward from a common center.
RadianA unit of angular measure equivalent to the angle subtended at the center of a circle by an arc equal in length to the radius.
RadianceThe quality or state of being radiant; brightness or light.
RadiantEmitting or reflecting light; bright or shining.
RadiateTo emit energy, especially light or heat, in the form of rays.
RadiationThe emission of energy as electromagnetic waves or as moving subatomic particles.
RadicalRelating to or affecting the fundamental nature of something; far-reaching or thorough.
RadiculitisInflammation of the nerve roots.
RadiiThe plural of radius, referring to a straight line from the center to the circumference of a circle.
RadioA technology that uses electromagnetic waves to transmit audio and information over distances.