English to English Dictionary

Refinement

The process of removing impurities or unwanted elements from a substance.

Reflecting telescope

An optical telescope that uses a single or a combination of curved mirrors that reflect light and form an image.

Reflection

The throwing back by a surface of light, heat, or sound without absorbing it.

Reflector telescope

An optical telescope that uses a single curved mirror or a combination of curved mirrors that reflect light and form an image.

Refreshable

Capable of being refreshed, updated, or renewed, especially with new data, power, or content.

Refund

A sum of money paid back, especially to a customer who is not satisfied with goods or services bought.

Regional hospital

A large health facility that serves as the primary medical and surgical diagnostic center for a specific geographic region or district.

Regretful

Feeling or showing sorrow, disappointment, or remorse about something.

Regulation

A rule or directive made and maintained by an authority.

Reign

The period during which a sovereign, such as a king, queen, or emperor, holds the throne and rules a country.

Rein

A long, narrow strap attached to the bit of a bridle, used by a rider or driver to control a horse or other animal.

Reindeer

A large deer with large horns (antlers) that lives in cold northern regions of Europe, Asia, and North America.