spheroid

noun

spher·​oid ˈsfir-ˌȯid  ˈsfer- 

: a figure resembling a sphere

also : an object of approximately spherical shape

spheroidal

sfi-ˈrȯi-dᵊl 

adjective

or less commonly spheroid

spheroidally

sfi-ˈrȯi-dᵊl-ē 

adverb

Examples of spheroid in a Sentence

Recent Examples on the Web

The Quantum Solution Despite the planet’s relatively regular spheroid shape, the Earth’s gravitational pull is not uniform. —IEEE Spectrum, 29 July 2025

But when either snacking on regular bone-in rodents or a calcium-rich diet, snake cell crypts featured plenty of calcium, phosphorus, and iron spheroids. —Andrew Paul, Popular Science, 9 July 2025

The only thing that could concentrate our eyes and minds, in this reverse panopticon of seventy thousand gazes, was the football itself, that precious prolate spheroid of dimpled cowhide, which had yet to be teed up or booted into play. —Nick Paumgarten, The New Yorker, 3 Mar. 2025

Be massive to achieve hydrostatic equilibrium (i.e., be a spheroid under the force of its own gravity) 3. —John Loeffler, Space.com, 18 Feb. 2025

Word History

First Known Use

1570, in the meaning defined above

Rhymes for spheroid

• alloyed
• android
• annoyed
• avoid
• centroid
• convoyed
• cuboid
• cycloid
• decoyed
• deployed
• dermoid
• destroyed

Kids Definition

spheroid

noun

spher·​oid ˈsfi(ə)r-ˌȯid 

ˈsfe(ə)r-

: a figure resembling a flattened sphere