Standard Lemma guide

fresnel

name · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

name

Meaning 1

A surname from French, notably held by Augustin-Jean Fresnel.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A unit of frequency equal to 1012 hertz, or one terahertz.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A Fresnel lens or a light feature using such a lens

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

French physicist who invented polarized light and invented the Fresnel lens (1788-1827)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Augustin Jean Fresnel

Antonyms: none provided

Broader terms: physicist

History

Etymology

For Augustin-Jean Fresnel, French physicist.

Real reading context

fresnel in complete knowledge articles