実用化（じつようか、jitsuyouka）
- practical use

The Japanese word 実用化 (じつようか) means "practical application," "putting into practical use," or "commercialization." It refers to the process of taking something, usually a new technology, invention, or concept, and making it usable in the real world. This involves moving beyond theoretical research or prototypes and making it available for everyday use or widespread adoption. It implies that something has been tested, refined, and is now ready for practical implementation.

⚫︎ 新技術の実用化 Translation: The practical application of new technology. ⚫︎ この薬の実用化には時間がかかる Translation: It will take time to put this medicine into practical use. ⚫︎ 再生可能エネルギーの実用化が進んでいる Translation: The practical application of renewable energy is progressing.

You use 実用化 when discussing the transition of an idea, technology, or product from the research or development stage to the stage where it can be used in daily life or in a business setting. It is often used in contexts of science, engineering, technology, medicine, and business. You can use it in a formal or informal setting, but is more common in professional settings.

実用化 is written using the kanji 実用 (じつよう) meaning "practical use" and the suffix 化 (か), which indicates a process or transformation. The reading is always じつようか (hiragana). There are no other ways to write this word. The okurigana is standard and does not have any variations.

⚫︎ 活用 (katsuyou) - utilization, application ⚫︎ 応用 (ouyou) - application (of a principle or theory) ⚫︎ 導入 (dounyuu) - introduction, implementation ⚫︎ 商品化 (shouhinka) - commercialization (specifically of a product)

⚫︎ 研究 (kenkyuu) - research ⚫︎ 開発 (kaihatsu) - development ⚫︎ 理論化 (rironka) - theorization

その新しいロボット技術の実用化は、日本の製造業に大きな影響を与えるだろう。 ・Translation: The practical application of that new robot technology will likely have a significant impact on Japan's manufacturing industry. ・Explanation: This sentence describes the anticipated effect of putting new robot technology into widespread use within the manufacturing sector.

環境に優しい新素材の実用化を目指して、研究が進められている。 ・Translation: Research is being conducted with the aim of putting environmentally friendly new materials into practical use. ・Explanation: This sentence discusses the goal of putting environmentally friendly materials into practical use.

The word 実用化 is formed from the combination of 実用 (じつよう), which comes from 実 (jitsu, meaning "reality" or "fruit") and 用 (you, meaning "use"), and 化 (ka), a suffix indicating "to become" or "to transform into." This etymology reflects the core meaning of turning something into a practical and usable form.