sphere
Sphere (noun) means a perfectly round, three-dimensional shape, like a ball. Example: “Mathematics students learn how to calculate the volume of a sphere.”
How to use sphere
Learner’s notesIn plain EnglishA round, ball-shaped object, or figuratively an area of activity or influence.
Word forms
- Plural
- spheres
- Third person singular
- spheres
- Past tense
- sphered
Fill the gap
Can you complete this real example?
Mathematics students learn how to calculate the volume of a _____.
Etymology
From Old French sphere, from Late Latin sphēra, from Ancient Greek σφαῖρα (sphaîra, "ball, globe").