English Explanatory Dictionary

amplitude

English dictionary entry

Meanings

noun
  1. The measure of the size of something, especially its width or breadth; largeness, magnitude.
  2. The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
  3. The maximum absolute value of some quantity that varies.
  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.
  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.
  6. The horizontal line which measures the distance to which a projectile is thrown; the range.
  7. The range of motion of the gymnast's body while performing a skill.
  8. The range of environmental conditions in which an organism can survive.

Pronunciation

/ˈæm.plɪ.tud/ en-us-amplitude.ogg

Word forms

amplitude amplitudes

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.

Related words

ample amplifiable amplification amplificatory amplifier amplify

Derived words

amplitudal amplitude modulation amplitudeologist amplitudeology amplitude spectroscopy amplituhedron probability amplitude semiamplitude superamplitude

Translations

Armenian: ամպլիտուդ Armenian: լայնույթ Asturian: amplitú Bulgarian: амплитуда Catalan: amplitud Chinese Mandarin: 振幅 Czech: amplituda Danish: amplitude Danish: lokalt maksimum Dutch: amplitude Esperanto: amplitudo Finnish: amplitudi Finnish: laajuus Finnish: ääriväli French: amplitude Galician: amplitude German: Amplitude Irish: aimplitiúid Italian: ampiezza Japanese: 振幅 Khmer: អំព្លីទីត Norwegian Bokmål: amplitude Norwegian Nynorsk: amplitude Portuguese: amplitude Romanian: amplitudine Romanian: amplitudini Russian: амплиту́да Serbo-Croatian: amplituda Slovene: amplituda Spanish: amplitud Swedish: amplitud Tagalog: hagkis Welsh: arg Welsh: osgled Greek: πλάτος Malay: amplitud Malayalam: ആയതി Polish: amplituda Vietnamese: biên độ
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