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scientist

American  
[sahy-uhn-tist] / ˈsaɪ ən tɪst /

noun

  • scientists
    plural
  1. an expert in science, especially one of the physical or natural sciences.


Scientist 1 British  
/ ˈsaɪəntɪst /

noun

  1. Christian Science Christ as supreme spiritual healer

  2. short for Christian Scientist See Christian Scientist

"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

scientist 2 British  
/ ˈsaɪəntɪst /

noun

  1. a person who studies or practises any of the sciences or who uses scientific methods

"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

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of scientist

1825–35; < Latin scient ( ia ) science + -ist

Explanation

A scientist is a person with some kind of knowledge or expertise in any of the sciences, like biology or chemistry. See that guy in the white lab coat wearing pocket protectors and experimenting with chemicals? He’s definitely a scientist. The word science comes from the Latin, scientia, which means "knowledge." The sciences are branches of knowledge about the world that derive from repeated experiments. A scientist is any person with an interest in the sciences, from amateurs to professionals. A curious high school student interested in seeing what happens when he slips vinegar into his best friend's can of soda could be considered a kind of scientist!

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Vocabulary lists containing scientist

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:

Chris Higgins, a retired scientist and volunteer at Lime Tree Observatory and Planetarium in Grewelthorpe, North Yorkshire, added it is still "certainly worth" seeing it from the UK.

From BBC Aug. 8, 2026

“The other thing is that Fauci’s views over time, like those of any good scientist, changed in varying degrees on varying topics,” Bowman said.

From Slate Aug. 7, 2026

DeepMind founder Demis Hassabis also stepped down from his CEO role at the AI lab, though he’s staying with the company and has moved into a more research-focused role as Google’s chief scientist.

From MarketWatch Aug. 6, 2026

“She has not appeared to do anything to get in the way of this referendum,” said Lisa Young, a political scientist at the University of Calgary.

From The Wall Street Journal Aug. 5, 2026

Aristotle, the greatest scientist of his time, "knew" that the primary function of the brain was to cool the blood.

From "Phineas Gage" by John Fleischman

Alphabet’s shares fell 4.1% to $360.13 after the Google parent said veteran Chief Scientist Jeff Dean, a key driver of its AI strategy, was leaving to found a startup.

From The Wall Street Journal Aug. 5, 2026

One math professor, Misha Rudnev at the University of Bristol, told New Scientist: “This is a problem that I didn’t expect to see solved in my lifetime.”

From Slate Jun. 22, 2026

According to Dr. Ketan Patel, Principal Scientist at CSMCRI, this capability could create new opportunities for more sustainable manufacturing processes.

From Science Daily Jun. 12, 2026

Scientist Alexandra, 32, refuses to download Max "out of contrariness" to its heavy-handed promotion.

From Barron's Mar. 23, 2026

I still had my crown for Short-Circuit Scientist.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

The book includes numerous photos of the Gadget in its final form, as well as a diagram of what scientists thought the mushroom cloud would look like.

From The Wall Street Journal Aug. 7, 2026

These measurements allowed scientists to reconstruct changing flow patterns near the core-mantle boundary.

From Science Daily Aug. 7, 2026

When their fossils are discovered, it helps scientists piece together how local environments changed over time.

From Los Angeles Times Aug. 7, 2026

Wolbachia occurs naturally in mosquitoes, and scientists found they could exploit it: if the male carries the bacteria but the female does not, or carries a different strain, sterilization occurs.

From Barron's Aug. 7, 2026

Science will continue to evolve, and scientists will continue to stretch the bounds of what we know.

From "Mountain of Fire" by Rebecca E. F. Barone

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