CTO

American

Or C.T.O.

abbreviation

chief technology officer; chief technical officer: an executive in an organization who oversees policies and decisions relating to technology and science.

CTO British

abbreviation

cancelled to order (of postage stamps); postmarked in sheets for private sale

"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 CTO

First recorded in 1985–90

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.

Palantir’s CTO stated AI inference signals “the death of legacy software,” making its platform useful but ravaging others.

From Barron's • May 5, 2026

“We see it as kind of a back-to-school moment,” the CTO said.

From The Wall Street Journal • Apr. 16, 2026

Additionally, Nvidia has “made a significant investment” in the company, it said, which was founded and is led by former OpenAI CTO Mira Murati.

From MarketWatch • Mar. 10, 2026

Dr. Phillip Aitchison, CTO of the Monash University spinout Ionic Industries and a co-author of the study, noted that efforts to commercialize the technology are already underway.

From Science Daily • Dec. 1, 2025

"You have to protect that memory," says Shreyans Mehta, CTO of Cequence Security, which helps to protect enterprise IT systems.

From BBC • Aug. 26, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023