5 letter words starting with RAD

Word: Radar 1. Parts of Speech:

Noun

2. Definitions:

1. A system that uses radio waves to detect and locate objects, such as aircraft or ships, especially by means of their echoes.
2. An electronic device for detecting the presence of objects, such as aircraft, ships, or vehicles, by means of radio waves reflected from their surfaces.

3. Pronunciations:

• US: /ˈreɪˌdɑr/
• UK: /ˈreɪdɑː/

4. Origin and Usage:

The term "radar" originated as an acronym for "radio detection and ranging". It was first used during World War II as a means of detecting incoming enemy aircraft. Since then, radar has been used in a variety of applications, including weather forecasting and air traffic control.

5. Synonyms:

Radio detection and ranging system, electronic detection system, sonar, lidar

6. Related Words:

Radio, laser, sonar, lidar, ultr

7. Example Sentences:

• The air traffic controller used radar to track the planes movements.
• The weatherman used radar to predict the coming storm.
• The military uses radar to detect enemy aircraft.

Word: radii 1. Parts of Speech:

Noun

2. Definitions:

Plural form of "radius," meaning the distance from the center of a circle to its edge. It can also refer to a straight line segment that joins the center of a circle with any point on its circumference.

3. Pronunciations:

• US: /ˈreɪdi.aɪ/
• UK: /ˈreɪdi.iː/

4. Origin and Usage:

The word "radii" is the plural form of the Latin word "radius," which means "spoke of a wheel" or "ray of light." It has been used in English since the 16th century and is commonly used in mathematics to describe the properties of circles and spheres. It is also used in anatomy to describe the bones in the forearm and leg.

5. Synonyms:

None

6. Related Words:

• radio
• radix
• radon
• rajas
• raked

7. Example Sentences:

• The radii of the two circles are different.
• The radius of the circle is 5 cm.
• The radii of the bones in his forearm were broken.

Radio 1. Parts of Speech:

Noun, Verb

2. Definitions:

Noun: A device that transmits and receives radio waves, used for communication and entertainment.

Verb: To transmit or broadcast a program or message by radio waves.

3. Pronunciations:

US: /ˈreɪdioʊ/

UK: /ˈreɪdiəʊ/

4. Origin and Usage:

The word "radio" comes from the Latin word "radius," meaning "spoke of a wheel" or "ray." The term was first used in the late 19th century to describe the transmission of electromagnetic waves through the air. Today, radio is a common means of communication and entertainment, used for broadcasting news, music, sports, and other programs.

5. Synonyms:

Wireless, transmitter, receiver, broadcast, airwaves

6. Related Words:

Audio, music, sound, waves, voice

7. Example Sentences:

Noun: She turned on the radio to listen to the news.

Verb: The station will radio the weather report to the coast guard.

Heres the information you requested: Radix

Part of Speech: Noun

Definition: The base or foundation of a system, especially a number system.

Pronunciations: US: /ˈreɪdɪks/, UK: /ˈrædɪks/

Origin and Usage: The word "radix" comes from the Latin word "radix" meaning "root". It was first used in English in the mid-17th century. It is commonly used in mathematics and computer science to refer to the base or foundation of a system, especially a number system.

Synonyms: Base, foundation, root, source.

Related Words: Basis, core, origin, rooty, base.

Example Sentences:

• Without understanding the radix of a number system, it is impossible to perform accurate calculations.
• The radix of the decimal number system is 10.
• He spent hours studying the radix of various computer programming languages.

Radon 1. Parts of Speech:

Noun

2. Definitions:

A chemical element with the symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as an indirect decay product of uranium or thorium. Radon is used in radiotherapy.

3. Pronunciations:

US: /ˈreɪdɑn/

UK: /ˈreɪdɒn/

4. Origin and Usage:

Radon was discovered in 1899 by Ernest Rutherford and Robert B. Owens. It is named after the element radium, from which it is derived. Radon is used in radiotherapy to treat cancer.

5. Synonyms:

Noble gas, Rn

6. Related Words:

Radia, Radix, Raged, Rages, Raids, Rails, Rainy, Raise, Rakus, Rales, Rally, Ramus, Ranch, Rands, Rangy, Ranks, Rants, Rapid, Rared, Rares, Raspy, Rated, Rater, Raves, Rawer, Rayed, Rayon, Razed, Razer, Razes

7. Example Sentences:

1. Radon is a radioactive gas that can cause cancer.

2. The levels of radon in the house were found to be high.

3. The radiotherapy treatment used radon to target cancer cells.