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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.


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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of neo-

< Greek, combining form of néos; akin to new

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

However, NASA's NEO Surveyor mission, scheduled to launch in 2027, could help solve the mystery.

From Science Daily May 14, 2026

He was told his B negative blood-type or NEO blood - was rare and he could help babies in neonatal intensive care.

From BBC Apr. 1, 2026

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

From Barron's Feb. 6, 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

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

From The Seven Plays in English Verse by Sophocles

“Democracy in the shape of the Roosevelt coalition was a problem, perhaps the domestic problem for the Hooverites, neo- and paleo- alike,” he writes.

From New York Times Feb. 14, 2023

His New State Gallery, furthermore, gets along surprisingly well with the old, an adjacent neo- classic stucco palace built in 1843, because the new building neither clashes with nor detracts from the old.

From Time Magazine Archive

Feinberg Hall, housing for 40 students, is a scrupulously detailed, 80-ft.-high brick tower wedged between a 1950s dormitory and a neo- Gothic building from the 1920s.

From Time Magazine Archive

Likewise, babies of women who delay seeking adequate prenatal care are at high risk for birth defects and neo- natal trouble.

From Time Magazine Archive

The neo- Puritans to-day abuse the rebels, young and old, because they have thrown over dogma and discipline.

From Definitions: Essays in Contemporary Criticism by Henry Seidel Canby

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