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

A NEO robot from 1X, meant for home use, can be reserved for $20,000.

From Barron's • Feb. 6, 2026

They will also have to be wealthy as NEO will cost around $20,000 or $500 a month.

From BBC • Jan. 11, 2026

At the bare minimum, then, NASA’s ongoing planetary defense work should tick along as planned, with NEO Surveyor continuing to be funded, as well as its ground-based asteroid-questing telescopes.

From Salon • Jan. 28, 2025

Cheng says he hopes future missions, such as NASA’s NEO Surveyor, set to launch in 2027, may be able to find a larger population of lunar debris still orbiting in our neighborhood.

From Science Magazine • Apr. 19, 2024

All our host Were not so fair a prize for him as I. NEO.

From The Seven Plays in English Verse by Sophocles