電でん子し

で

ん

し

Common wordJLPTN2Freq.FrequencyTop 2,000

Meanings

1

Physics term for the elementary particle. Used in technical and educational contexts.

し

が

回まわ

っ

て

いる

。

Electrons orbit around the atomic nucleus.

2

noun-modifying (irregular)

Prenominal modifier used in compounds like 電子機器 (electronic device) or 電子メール (email).

電でん子しを放ほう出しゅつするto emit electrons
この物ぶっ質しつは光ひかりを当あてると電でん子しを放ほう出しゅつする。
This material emits electrons when light is shone on it.
電でん子しが移い動どうするelectrons move/transfer
電でん流りゅうが流ながれると電でん子しが移い動どうする。
When electric current flows, electrons move.

電でん気きN5sense 2
電子 (as a prefix) means 'electronic', referring to devices using microchips or circuitry, while 電気 means 'electric' and covers broader electrical phenomena like power and light.
デジタル
デジタル specifically means digital (as opposed to analog), while 電子 means electronic and covers a broader range of technology such as 電子レンジ (microwave) that isn't necessarily digital.

陽よう子し sense 1
電子 is the negatively charged particle, while 陽子 is the positively charged particle found in the atomic nucleus.

電でん化か
電子 refers to electrons or electronic technology, while 電化 means 'electrification', the process of converting something to run on electricity.
陽よう子し
陽子 is the positively charged particle in the nucleus, while 電子 is the negatively charged particle orbiting it.
中ちゅう性せい子し
電子 (electron) orbits outside the nucleus and is much lighter, while 中性子 (neutron) is a heavy particle found inside the nucleus, so the two are easy to confuse when learning basic atomic structure.

陽よう電でん子し
positron
電でん子し辞じ書しょN5
portable electronic dictionary; pocket electronic dictionary; PED · digital dictionary; electronic dictionary (app or website)
電でん子しレンジN3
microwave oven

Compound of 電 (electricity) and 子 (small thing, particle). Coined in the late 19th century as a translation of 'electron'.

sigma electron

valence electron

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