正子

Chinese
 
just (right); main; upright
just (right); main; upright; straight; correct; principle; Chinese 1st month of year
 
child; son; (noun suffix)
child; son; (noun suffix); small thing; seed; egg; 1st earthly branch; 11 p.m.–1 a.m., midnight
simp. and trad.
(正子)		 正 子

Pronunciation

Noun

正子

  1. (physics) positron
    Synonyms: 正電子／正电子 (zhèngdiànzǐ), 陽電子／阳电子 (yángdiànzǐ), 反電子／反电子 (fǎndiànzǐ)

Japanese

Etymology 1
Kanji in this term
正 子
しょう
Grade: 1		 し
Grade: 1
on’yomi

Pronunciation

Noun

正(しょう)子(し) • (shōshi) ←しやうし (syausi)?

  1. (rare) midnight
Usage notes

In most cases 午(ご)前(ぜん)０(れい)時(じ) (gozen reiji) is used instead.

References
  1. Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN

Etymology 2
Kanji in this term
正 子
まさ
Grade: 1		 こ
Grade: 1

Proper noun

正(まさ)子(こ) • (Masako) 

  1. a female given name
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