amplitude

名词 n.
中文释义
美 /ˈæm.plɪ.tud/

英文释义

名词 n.
  1. The measure of the size of something, especially its width or breadth; largeness, magnitude. countable,uncountable
    — The cathedral of Lincoln […] is a magnificent structure, proportionable to the amplitude of the diocese.
  2. The maximum absolute value of the vertical component of a curve or function, especially one that is periodic. countable,uncountable
  3. The maximum absolute value of some quantity that varies. countable,uncountable
  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. countable,uncountable
  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. countable,uncountable
  6. The horizontal line which measures the distance to which a projectile is thrown; the range. countable,uncountable
  7. The range of motion of the gymnast's body while performing a skill. countable,uncountable
  8. The range of environmental conditions in which an organism can survive. countable,uncountable

词形变化

amplitudes plural

词汇关系

衍生词
amplitudal amplitude modulation amplitudeologist amplitudeology amplitude spectroscopy amplituhedron probability amplitude semiamplitude superamplitude
相关词
ample amplifiable amplification amplificatory amplifier amplify

词源

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.
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