amplitude
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
9 characters
Language
English
word origin
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Detailed reference entry for the English word "amplitude", 9-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "amplitude" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "amplitude" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
amplitude is aEnglishnoun. It means: The measure of the size of something, especially its width or breadth; largeness, magnitude. Pronounced /ˈæm.plɪ.tud/. Often confused with aptitude.
| Property | Value |
|---|---|
| Headword | amplitude |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈæm.plɪ.tud/ |
| Letters | 9 |
| Frequency rank | #20,031 |
| Misspellings tracked | 13 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for amplitude is 9 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈæm.plɪ.tud/. Corpus data places it at rank #20,031 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.
Our Hunspell-derived misspelling index lists 13 documented wrong-spelling variants for amplitude, with forms such as "amlpitude", "ammplitude", and "ampiltude". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 1 confusable-pair relationship, "aptitude", where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: Etymology tree 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 amplit… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is amplitude, spelled A-M-P-L-I-T-U-D-E, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1The measure of the size of something, especially its width or breadth; largeness, magnitude.
- 2The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
- 3The maximum absolute value of some quantity that varies.
- 4The 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.
- 5The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.
- 6The horizontal line which measures the distance to which a projectile is thrown; the range.
- 7The range of motion of the gymnast's body while performing a skill.
- 8The range of environmental conditions in which an organism can survive.
Etymology
Etymology tree 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.
This word in other languages
Common misspellings
Also misspelled as: amlpitude,ammplitude,ampiltude,amplitdue,amplittude,amplitudde,amplitued,ampliutde,ampllitude,ampltiude,ampplitude,apmlitude,maplitude
Misspelling Pattern Breakdown
Relative frequency of common misspelling types for amplitude
Misspelling Variants of "amplitude"
Frequency rank: #20,031 in English
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Nearby English words
Other entries that begin with the letter A in our English index: