肺（はい、hai）
- lung

The word 肺 肺 (hai) refers to the lungs, the primary organs of respiration in humans and animals. They are responsible for taking in oxygen and releasing carbon dioxide. The word encompasses both the left and right lungs and is used in a medical or anatomical context.

⚫︎肺の病気にかかった。 Translation: I got a lung disease. ⚫︎タバコは肺に悪い。 Translation: Smoking is bad for the lungs. ⚫︎彼女はマラソンで肺活量を高めた。 Translation: She improved her lung capacity through the marathon.

This word is used in various contexts, from describing health conditions to discussing the mechanics of breathing. It’s commonly used in medical discussions, scientific contexts, and everyday conversations about health and exercise. It's important to use it when referring to the lungs specifically.

The word 肺 is typically written using the kanji 肺. ⚫︎Reading: はい (hiragana) There are no other common ways to write this word. The okurigana is not applicable here.

There are no perfect synonyms for 肺, as it refers to a specific organ. However, related terms could be: ⚫︎呼吸器 (kokyuuki) - respiratory organs/system

There are no direct antonyms for 肺. It is a noun referring to a body part, so it does not have an opposite.

彼は《肺の検査を受けた。》 ・Translation: He had a lung examination. ・Explanation: This sentence describes someone undergoing a medical check-up focusing on their lungs.

その事故で彼女の《肺に損傷を受けた。》 ・Translation: Her lungs were damaged in the accident. ・Explanation: This describes an injury specifically affecting the lungs.

The kanji 肺 is composed of the radical 月 (tsuki/getsu - moon, often representing body parts) and 非 (hi - not, wrong, un-). This combination suggests the idea of "internal organs" and potentially the concept of an organ (like the lungs) not functioning correctly or properly. The etymology provides information about the composition of the kanji, but does not provide details about its origin.