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.

See Examples For:

CTO

She studied computer science at Mills College, then worked in tech consulting in the Bay Area and eventually became the CTO of an ag-tech company.

From Los Angeles Times ● Jul. 1, 2026

Seagate CEO and CTO sold shares on June 12 as “sell-to-cover” transactions to meet tax obligations from vested restricted stock units.

From Barron's ● Jun. 18, 2026

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

From The Wall Street Journal ● Apr. 16, 2026

The startup, founded by OpenAI’s former CTO, plans to deploy at least one gigawatt of Nvidia chips as part of a new partnership.

From The Wall Street Journal ● Mar. 10, 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

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