Radius (Noun)
Meaning 1
The outer and slightly shorter of the two bones of the human forearm.
Classification
Nouns denoting body parts.
Examples
- The radius bone in the human forearm is thinner near the wrist and broader near the elbow.
- A fracture of the radius can cause severe pain and limited mobility in the forearm.
- When the radius and ulna bones work together they provide the necessary support for the forearm.
- The extra bone tissue formed in cases of a Colles' fracture can cause an abnormal shape of the radius.
- The human forearm's ulna and radius bones are known to twist in the early years of human development.
Related Words
Meaning 2
A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).
Classification
Nouns denoting two and three dimensional shapes.
Examples
- The architect measured the radius of the dome to calculate its overall area and volume.
- In order to draw a perfect circle, Emily placed a compass point on the center and set the radius to the desired length.
- A line from the nucleus of the atom to the outermost electron cloud defines the atomic radius.
- To make a precise arc, place one end of the protractor on the point where you want to draw the circle and the other end to the desired radius.
- The radius of the inflatable ball determines how far the pressure is distributed from its center point.
Related Words
Meaning 3
Support consisting of a radial member of a wheel joining the hub to the rim.
Classification
Nouns denoting man-made objects.
Examples
- The metal wire used for the bicycle's radius added necessary durability to the wheel.
- After a strong collision the radius of the car wheel buckled causing the tire to malfunction.
- Lack of maintenance caused the radius of the bike wheel to weaken over time and eventually break.
- Inspecting the radius for signs of wear on the motorcycle wheel helped prevent future damage.
- In order to repair the broken wheel the radius had to be carefully removed and a new one installed.
Synonyms
Hypernyms
Meaning 4
The length of a line segment between the center and circumference of a circle or sphere.
Classification
Nouns denoting attributes of people and objects.
Examples
- The radius of the wheel was specifically designed to be longer on one side to create the desired camber.
- To find the area of the circle, you must square the value of the radius and multiply it by pi.
- Trigonometry primarily focuses on the relationship between the radius and the other sides and angles of the circle.
- Using a compass and pencil on paper, students drew a circle with a radius of 5 centimeters.
- The Earth's radius is approximately 6,371 kilometers, although the exact value can vary slightly due to the planet's elliptical shape.
Synonyms
Meaning 5
A circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles".
Classification
Nouns denoting spatial position.
Examples
- The park is situated within a radius of 5 kilometers from the city center, making it easily accessible on foot or by bike.
- They looked for an apartment within a radius of 10 miles from their workplace to save time on their daily commute.
- The police set up checkpoints within a radius of 3 miles around the stadium during the football game.
- The new coffee shop draws customers within a radius of 2 miles due to its unique blend and cozy atmosphere.
- Rescue teams searched the woods within a radius of 5 miles where the lost hiker was last seen.