聴診器（ちょうしんき、choushinki）
- stethoscope

The word 聴診器 (ちょうしんき) refers to a stethoscope. It is a medical instrument used by doctors and other healthcare professionals to listen to the internal sounds of a patient's body, such as the heart, lungs, and intestines. The instrument typically consists of a chest piece (placed on the body), a tubing system, and earpieces that the user listens through. Its purpose is to help diagnose a patient's condition.

⚫︎医者は患者の胸に聴診器を当てて、心音を聞いた。 Translation: The doctor placed the stethoscope on the patient's chest and listened to the heart sounds. ⚫︎彼女は聴診器を使って、患者の呼吸音を確認した。 Translation: She used a stethoscope to check the patient's breath sounds. ⚫︎子供は聴診器を怖がって泣き出した。 Translation: The child started crying, being afraid of the stethoscope.

This word is used in medical contexts and everyday conversations about medical examinations. It's common to hear it when discussing doctor's visits, medical procedures, or the tools used in healthcare. You would use 聴診器 when you are referring to the stethoscope itself or describing the act of using a stethoscope.

⚫︎The word is typically written in kanji as 聴診器. ⚫︎The reading is ちょうしんき in hiragana. ⚫︎There is no other common way to write this word. ⚫︎The okurigana (送りがな, or suffix hiragana) is always written as 器.

There are no direct synonyms for 聴診器, as it is a specific medical instrument.

There are no direct antonyms for 聴診器.

医師は聴診器を使って患者の肺の音を聞いた。 ・Translation: The doctor listened to the sounds of the patient's lungs using a stethoscope. ・Explanation: This sentence describes a doctor using a stethoscope to assess a patient's respiratory health.

新しい聴診器は非常に音を良く拾う。 ・Translation: The new stethoscope picks up sounds very well. ・Explanation: This sentence discusses the performance of a new stethoscope.

The word 聴診器 is a compound word. ⚫︎聴(chou) means "to listen" or "to hear". ⚫︎診(shin) means "to examine" or "to diagnose". ⚫︎器(ki) means "instrument" or "device". Therefore, 聴診器 literally means "listening examination instrument," reflecting its function.