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单词 reionization
释义

Definition of reionization in English:

reionization

(also reionisation)
noun riːˌʌɪənʌɪˈzeɪʃn

  • 1Physics. The action of ionizing something for a second or further time; an instance of this.

  • 2Astronomy. The ionization of neutral hydrogen atoms formed during recombination in the early universe (108 to 109 years after the Big Bang). Frequently attributive Compare "recombination".

Origin

Early 20th century. From re- + ionization. Compare slightly later reionize.

Definition of reionization in US English:

reionization

(also reionisation)
nounriːˌʌɪənʌɪˈzeɪʃn

  • 1Physics. The action of ionizing something for a second or further time; an instance of this.

  • 2Astronomy. The ionization of neutral hydrogen atoms formed during recombination in the early universe (108 to 109 years after the Big Bang). Frequently attributive Compare "recombination".

Origin

Early 20th century. From re- + ionization. Compare slightly later reionize.
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更新时间：2025/7/17 8:29:15