Standard Lemma guide

amplitude

noun · 11 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈæm.plɪ.tud/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AE1 M P L AH0 T UW2 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The measure of the size of something, especially its width or breadth; largeness, magnitude.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The maximum absolute value of some quantity that varies.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The horizontal line which measures the distance to which a projectile is thrown; the range.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: engineering, firearms, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

The range of motion of the gymnast's body while performing a skill.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: gymnastics, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

The range of environmental conditions in which an organism can survive.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, ecology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

greatness of magnitude

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: magnitude

Narrower terms: signal level, noise level, background level

10

noun

Meaning 10

the property of copious abundance

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bountifulness, bounty

Antonyms: none provided

Broader terms: abundance, copiousness, teemingness

11

noun

Meaning 11

(physics) the maximum displacement of a periodic wave

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: shift, displacement

History

Etymology

Etymology tree Proto-Indo-European *h3emh3-der. Proto-Indo-European *h3emh3-lo-s Proto-Italic *amlos? Proto-Indo-European *h2ent- Proto-Indo-European *-s Proto-Indo-European *h2énts? Proto-Indo-European *h2m̥bhíder. Proto-Italic *amβi- Latin ambi- Proto-Indo-European *pleh1- Proto-Indo-European *-nós Proto-Indo-European *pl̥h1nós Proto-Italic *plēnosder. Latin plēnus? Latin ambiplus? Latin amplus Proto-Indo-European *-tu- Proto-Indo-European *-d- Proto-Indo-European *-Hō Proto-Italic *-tūdō Latin -tūdō Latin amplitūdōder. Middle French amplitudebor. English amplitude Borrowed from Middle French amplitude, from Latin amplitūdō, from amplus (“large”). By surface analysis, ample + -itude.

Across languages

Translations

92 source translations are retained for this English entry.

  • Asturian: amplitú — magnitude
  • Basque: anplitude — magnitude
  • Bulgarian: амплитуда (amplituda) — magnitude
  • Catalan: amplitud — magnitude
  • Chinese Mandarin: 幅度 (fúdù) — magnitude
  • Danish: amplitude — magnitude
  • Danish: magnitude — magnitude
  • Dutch: omvang — magnitude
  • Esperanto: amplekso — magnitude
  • Finnish: laajuus — magnitude
  • Japanese: 広さ (hirosa) — magnitude
  • Latin: amplitūdō — magnitude
  • Norwegian: amplitude — magnitude
  • Polish: amplituda — magnitude
  • Portuguese: amplitude — magnitude
  • Portuguese: magnitude — magnitude
  • Romanian: amplitudine — magnitude
  • Russian: полнота́ (polnotá) — magnitude
  • Russian: широта́ (širotá) — magnitude
  • Serbo-Croatian: amplituda — magnitude
  • Spanish: amplitud — magnitude
  • Swedish: amplitud — magnitude
  • Swedish: magnitud — magnitude
  • Tagalog: hagkis — magnitude
  • Ukrainian: ампліту́да (amplitúda) — magnitude
  • Vietnamese: biên độ — magnitude
  • Armenian: ամպլիտուդ (amplitud) — maths: maximum absolute value
  • Armenian: լայնույթ (laynuytʻ) — maths: maximum absolute value
  • Asturian: amplitú — maths: maximum absolute value
  • Bulgarian: амплитуда (amplituda) — maths: maximum absolute value
  • Catalan: amplitud — maths: maximum absolute value
  • Chinese Mandarin: 振幅 (zhènfú) — maths: maximum absolute value
  • Czech: amplituda — maths: maximum absolute value
  • Danish: amplitude — maths: maximum absolute value
  • Danish: lokalt maksimum — maths: maximum absolute value
  • Dutch: amplitude — maths: maximum absolute value
  • Esperanto: amplitudo — maths: maximum absolute value
  • Finnish: amplitudi — maths: maximum absolute value
  • Finnish: laajuus — maths: maximum absolute value
  • Finnish: ääriväli — maths: maximum absolute value
  • French: amplitude — maths: maximum absolute value
  • Galician: amplitude — maths: maximum absolute value
  • German: Amplitude — maths: maximum absolute value
  • Irish: aimplitiúid — maths: maximum absolute value
  • Italian: ampiezza — maths: maximum absolute value
  • Japanese: 振幅 — maths: maximum absolute value
  • Khmer: អំព្លីទីត (ʼɑmpliitiit) — maths: maximum absolute value
  • Norwegian Bokmål: amplitude — maths: maximum absolute value
  • Norwegian Nynorsk: amplitude — maths: maximum absolute value
  • Portuguese: amplitude — maths: maximum absolute value
  • Romanian: amplitudine — maths: maximum absolute value
  • Romanian: amplitudini — maths: maximum absolute value
  • Russian: амплиту́да (amplitúda) — maths: maximum absolute value
  • Serbo-Croatian: amplituda — maths: maximum absolute value
  • Slovene: amplituda — maths: maximum absolute value
  • Spanish: amplitud — maths: maximum absolute value
  • Swedish: amplitud — maths: maximum absolute value
  • Tagalog: hagkis — maths: maximum absolute value
  • Welsh: arg — maths: maximum absolute value
  • Armenian: ամպլիտուդ (amplitud) — physics: maximum absolute value
  • Armenian: լայնույթ (laynuytʻ) — physics: maximum absolute value
  • Asturian: amplitú — physics: maximum absolute value
  • Bulgarian: амплитуда (amplituda) — physics: maximum absolute value
  • Catalan: amplitud — physics: maximum absolute value
  • Chinese Mandarin: 振幅 (zhènfú) — physics: maximum absolute value
  • Danish: amplitude — physics: maximum absolute value
  • Dutch: amplitude — physics: maximum absolute value
  • Esperanto: amplitudo — physics: maximum absolute value
  • Finnish: amplitudi — physics: maximum absolute value
  • Finnish: laajuus — physics: maximum absolute value
  • Finnish: ääriväli — physics: maximum absolute value
  • French: amplitude — physics: maximum absolute value
  • Galician: amplitude — physics: maximum absolute value
  • German: Amplitude — physics: maximum absolute value
  • Greek: πλάτος (plátos) — physics: maximum absolute value
  • Irish: aimplitiúid — physics: maximum absolute value
  • Italian: ampiezza — physics: maximum absolute value
  • Japanese: 振幅 — physics: maximum absolute value
  • Malay: amplitud — physics: maximum absolute value
  • Malayalam: ആയതി (āyati) — physics: maximum absolute value
  • Norwegian Bokmål: amplitude — physics: maximum absolute value
  • Norwegian Nynorsk: amplitude — physics: maximum absolute value
  • Polish: amplituda — physics: maximum absolute value
  • Portuguese: amplitude — physics: maximum absolute value
  • Russian: амплиту́да (amplitúda) — physics: maximum absolute value
  • Serbo-Croatian: amplituda — physics: maximum absolute value
  • Slovene: amplituda — physics: maximum absolute value
  • Spanish: amplitud — physics: maximum absolute value
  • Swedish: amplitud — physics: maximum absolute value
  • Tagalog: hagkis — physics: maximum absolute value
  • Vietnamese: biên độ — physics: maximum absolute value
  • Welsh: osgled — physics: maximum absolute value
Real reading context

amplitude in complete knowledge articles