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Definition of thomson

thomson

/ˈtɑːm.sən/
Thom · son
Plural:Thomsons
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thomson Lexical Profile

• noun

1

A patronymic surname of Scottish and northern English origin, meaning 'son of Thomas', notably borne by British physicists J. J. Thomson and William Thomson (Lord Kelvin).

Example

"In 1897, the physicist J. J. Thomson revolutionized atomic theory with his discovery of the electron."

2

American A city in eastern Georgia, United States, serving as the county seat of McDuffie County within the Augusta metropolitan area.

3

A non-SI unit of mass-to-charge ratio (symbol: Th) used in mass spectrometry, named in honor of J. J. Thomson.

Example

"The mass spectrometer recorded a prominent ion peak at fifty thomsons during the chemical analysis."

• Nearby Words

thither
thlaspi
thompson
thomson
thomson's gazelle
thomsons falls
thong

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Thomson. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thomson
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