sphere
(sfɪəʳ )
Word forms: spheres
1. countable noun
A sphere is an object that is completely round in shape like a ball.
2. countable noun
A sphere of activity or interest is a particular area of activity or interest.
...the sphere of international politics. [+ of]
...nurses, working in all spheres of the health service. [+ of]
Synonyms: field, range, area, department [informal]
3. countable noun
A sphere of people is a group of them who are similar in social status or who have the same interests.
...the realities of life outside the government and academic spheres of society. [+ of]
Synonyms: rank, class, station, status
4. sphere of influence phrase [sphere inflects]
A country's sphere of influence is an area of the world where it has a lot of influence.
They see the region as their natural sphere of influence.
...countries traditionally within the British or American spheres of influence.
Synonyms: area, range, scope, field
Image of sphere
© optimarc, Shutterstock
Collocations:
glass spheres
Larger glass spheres can be used as fillers for cement.
Times, Sunday Times
Laser marking of plastic-encapsulated packages may damage the chip if glass spheres in the packaging line up and direct the laser to the chip.
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The aquatic specimens were to be enclosed in glass spheres which could be viewed from above and below.
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A number of the designs of the glass spheres are unique to the town.
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They have been produced in microscopic glass spheres or toruses, for example, with applications in lasing, optomechanical cooling, frequency comb generation and sensing.
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Translations:
Chinese: 球体
Japanese: 球