観測（かんそく、kansoku）
- observation

The Japanese word 観測, pronounced かんそく (kansoku), primarily means "observation," "survey," "measurement," or "monitoring." It refers to the act of carefully watching, examining, or measuring something, especially to gather information or data. It often implies a systematic or scientific approach to gathering this information. The subject of 観測 can be anything from the weather and the stars to economic trends or the behavior of animals. The information gathered through 観測 is typically used for analysis, understanding, and making predictions. The meaning also includes the act of a facility conducting observation or measurement.

⚫︎ 天気予報のために、気象台が毎日の気温を《観測しています。》 Translation: The weather station observes the daily temperature for the weather forecast. ⚫︎ 科学者は宇宙の星の動きを《観測するために望遠鏡を使います。》 Translation: Scientists use telescopes to observe the movement of stars in space. ⚫︎ 経済学者は、経済の動向を《観測し、分析します。》 Translation: Economists observe and analyze economic trends.

You use 観測 in situations where you want to describe the act of observing, surveying, or measuring something systematically. It's often used in scientific, academic, and professional contexts. It is suitable for explaining how data is gathered or how something is being monitored. It’s also often used in formal writing and speech.

The word 観測 is typically written with the kanji 観 (kan - to observe, view) and 測 (soku - to measure). The reading is かんそく in hiragana. There are no other common ways to write this word. The okurigana is standard, with no variations.

Here are some synonyms for 観測: ⚫︎ 観察 (kansatsu) - observation, watching carefully. ⚫︎ 調査 (chōsa) - investigation, survey. ⚫︎ 計測 (keisoku) - measurement. ⚫︎ 監視 (kanshi) - monitoring, surveillance.

Antonyms for 観測 are less direct, as 観測 is an action. However, the opposite could be seen as ignoring or not paying attention to something, which doesn't have a single direct antonym in Japanese.

地震学者は、地震の発生を《観測するために、様々な場所に観測機器を設置します。》 ・Translation: Seismologists install observation equipment in various places to observe the occurrence of earthquakes. ・Explanation: This sentence explains how seismologists use the act of 観測 to understand earthquakes.

政府は、国民の健康状態を《観測するために、定期的に健康調査を実施します。》 ・Translation: The government conducts regular health surveys to monitor the health of the citizens. ・Explanation: This sentence illustrates how governments utilize 観測 to monitor and evaluate the health of its population.

The word 観測 is a compound word formed from two kanji: 観 (kan) which means "to observe," "to view," or "to watch", and 測 (soku) which means "to measure" or "to gauge." The combination of these characters perfectly encapsulates the meaning of observing something and then quantifying it through measurement.