機器（きき、kiき）
- equipment

The Japanese word 機器 (きき) primarily means "equipment," "machinery," or "devices." It refers to a collection of tools, instruments, or apparatuses designed for a specific purpose. This can include anything from simple tools to complex industrial systems. The scope is broad, encompassing both large and small technological items. 機器 emphasizes the functional aspect, highlighting the use of these things to achieve a certain objective.

⚫︎新しい機器 Translation: New equipment. ⚫︎実験用の機器 Translation: Experimental equipment. ⚫︎電子機器 Translation: Electronic devices.

機器 is used in formal and informal contexts. It's suitable for discussing equipment in various fields, such as manufacturing, science, technology, medicine, and daily life. You can use it in business settings, academic discussions, or general conversations. It's a versatile word used to refer to the physical items themselves, not the act of using them.

機器 is written with the kanji 機器, read as きき in hiragana. The kanji 機 means "machine" or "opportunity," and 器 means "vessel," "container," or "instrument." There are no significant variations in writing or okurigana. It is always written as 機器.

⚫︎ 装置 (そうち) - apparatus, equipment, device. ⚫︎ 道具 (どうぐ) - tool, instrument, equipment. ⚫︎ 設備 (せつび) - equipment, facilities. ⚫︎ 器具 (きぐ) - instrument, utensil, apparatus.

There isn't a direct antonym. The concept of "not equipment" would depend on the context. You could use words like: ⚫︎ 自然 (しぜん) - nature ⚫︎ 人力 (じんりょく) - human power/labor

工場に新しい機器が導入された。 ・Translation: New equipment was introduced to the factory. ・Explanation: This sentence describes the addition of new machinery or devices to a factory environment, improving its operation.

この機器の操作方法を教えてください。 ・Translation: Please teach me how to operate this device. ・Explanation: This sentence requests instruction on how to use a specific piece of equipment.

The word 機器 is formed by combining the kanji 機 (ki), which signifies "machine," "mechanism," or "opportunity," with the kanji 器 (ki), which indicates "vessel," "utensil," or "instrument." The combination reflects the nature of devices as tools or mechanisms.