pulsation

名词 n.
中文释义
英 /pʌlˈseɪʃn̩/    美 /pəlˈseɪʃən/

英文释义

名词 n.
  1. The regular throbbing of the heart, an artery etc. in a living body; the pulse. countable,uncountable
    — Pulsation had ceased. For three days the body was preserved unburied, during which it had acquired a stony rigidity.
  2. Any rhythmic beating, throbbing etc. countable,uncountable
    — Lo! as a dove when up she springs ⁠To bear thro’ Heaven a tale of woe, ⁠Some dolorous message knit below The wild pulsation of her wings; Like her I go; I cannot stay; ⁠I leave this mortal ark behind […]
  3. The rhythmic increase and decrease of size in naked zoospores and plasmodia. countable,uncountable
  4. Physical striking; a blow. archaic,countable,uncountable
    — By the Cornelian law, pulsation as well as verberation is prohibited.
  5. A single beat, throb or vibration. countable,uncountable

词形变化

pulsations plural

词汇关系

衍生词
counterpulsation electropulsation micropulsation pulsational
相关词
pulsate pulse push

词源

Inherited from Middle English pulsacioun (“pulsing of the blood, throbbing”), borrowed from Middle French pulsacion (“(of bells) a striking (end of 14th c.); (of a diseased part of the body) a throbbing (1377); pulsation (1575)”), and its source, Latin pulsātiō (“(classical Latin) a beating or striking; (Medieval Latin, medical) rhythmical expansion and contraction (1363 in Chauliac)”). By surface analysis, pulsate + -ion.
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