銅（どう、dou）
- copper

The Japanese word 銅 (どう) means "copper." It refers to the chemical element with the symbol Cu, a reddish-brown metal that is a good conductor of electricity and heat. It's a versatile material used in various applications due to its properties.

⚫︎ 銅線 Translation: Copper wire. ⚫︎ 銅貨 Translation: Copper coin. ⚫︎ 銅像 Translation: Copper statue.

You use 銅 when you are referring to the metal copper itself, or when describing something made of copper. It can be used in technical contexts (e.g., electrical wiring) or everyday conversation (e.g., a copper pot).

⚫︎ The word 銅 is primarily written using the kanji 銅. ⚫︎ The reading, どう, is written in hiragana. ⚫︎ There are no variations in okurigana for this word.

There aren't many direct synonyms for 銅 in Japanese as it refers to a specific element. However, when talking about something made of copper, you might use: ⚫︎ 金属 (きんぞく) - metal (general term) ⚫︎ 赤色金属 (せきしょくきんぞく) - reddish metal (more descriptive, but less common).

There aren't specific antonyms as 銅 refers to a material. The opposite isn't a metal, but a non-metal, or other elements.

この配線は銅でできています。 ・Translation: This wiring is made of copper. ・Explanation: This sentence describes the material used for electrical wiring.

古代エジプトでは、銅が工具として使われていました。 ・Translation: In ancient Egypt, copper was used as a tool. ・Explanation: This sentence explains how copper was used in the past.

The kanji 銅 is a combination of two parts: the metal radical (金 - kin), and the phonetic component (同 - dou, meaning "same"). The phonetic component indicates the sound of the word. In this case, it is related to the appearance of the copper that looks the same. The origin points to the ancient Chinese language.