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• NEO
  NEO

  abbreviation

  near-earth object.
• neo-
  neo-

  a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words.

NEO

¹ American  

abbreviation

1. near-earth object.

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neo- ² American  

1. a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words.

   neo-Darwinism; Neolithic; neoorthodoxy; neophyte.

2. Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms.

   neoarsphenamine.

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neo- British  

combining form

1. (sometimes capital) new, recent, or a new or modern form or development

   neoclassicism

   neocolonialism

2. (usually capital) the most recent subdivision of a geological period

   Neogene

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Etymology

Origin of neo-

< Greek, combining form of néos; akin to new

Example Sentences

Palo Alto-based 1X Technologies is already manufacturing its 66-pound, 5-foot-6 humanoid named Neo at its factory in Hayward.

From Los Angeles Times • May 31, 2026

Neo bought the project in 2022 for about $3.5 million External link.

From Barron's • May 22, 2026

Pushing down Neo shares was also a capital raise External link at $28.75.

From Barron's • May 22, 2026

The strategy is apparent in the technical minutiae of the newly released $599 MacBook Neo, which early data suggest is a hit with customers.

From The Wall Street Journal • May 18, 2026

He took me shopping and we bought a calf-length black leather jacket, which would look ridiculous today but at the time, thanks to Neo, was very cool.

From "Born a Crime: Stories from a South African Childhood" by Trevor Noah