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List of words for Letter 'R'
to hear the word and definition.
Medical treatment that uses radiation to destroy cancer cells within the body.
An odorless, colorless, radioactive gas formed by natural processes in rocks, soil, and water.
An event that is beyond a personís control.
The threatened or actual use of physical force to get someone to have sex without consent, or sexual contact with a minor.
The time it takes a person to respond to something noticed by the senses.
To alter waste products so that they can be used again.
An official who enforces rules at a sports event.
A natural substance, such as water, wind, and sunlight, that can be replaced once it is used.
The number of times an exercise is performed.
The group of organs and other structures that enables humans to produce offspring.