English Reference

Word

physicist

Phoneticsphysi·cist

US/ˈfɪzɪsɪst/

UK/fˈɪzɪsˌɪst/

Definitions

01scientist in physics

B2 · Science

n. a person who studies or works in physics, the science of energy, matter, and motion.

n. a professional or academic specialist in the field of physics.

“The physicist explained how the new telescope captures light from distant stars.”

“Theoretical physicists often use complex mathematical models to predict the behaviour of subatomic particles before they are observed in experiments.”

Synonyms

02believer in physicalism

C2 · Science

n. an old term for someone who believes life is explained only by chemistry and physics.

n. a proponent of the theory that biological phenomena are reducible to purely chemical and physical principles. The term is contrasted with 'vitalist'.

“In the nineteenth century, a physicist might argue that life was just a complex machine.”

“The debate between the physicist and the vitalist dominated early physiological discourse regarding the nature of the 'living force'.”

Archaic

Synonyms

physicalistmaterialist

Antonyms

vitalist

Real-World Examples

“With a team of particle physicists, I study how these cosmic rainstorms are born.”
The Conversation · 14 Sept 2026
“A massive worldwide survey of physicists has revealed surprisingly little agreement about some of the universe’s biggest mysteries.”
ScienceDaily · 13 Sept 2026
“They're either fermionic (named for UChicago's Enrico Fermi) or bosonic (named for Indian physicist Satyendra Nath Bose).”
Phys.org · 8 Sept 2026
“A lone signal from an experiment in South Dakota doesn’t fit the profile of any other known particles, physicists say.”
The New York Times · 1 Sept 2026

Etymology

From physics + -ist. Coined by the English polymath William Whewell (1794–1866) in his book The Philosophy of the Inductive Sciences (1840): see the quotation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

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English Reference