体温（たいおん、taion）
- body temperature

The Japanese word 体温 （たいおん - *taion*） means "body temperature." It refers to the internal temperature of a person's or animal's body. It's a crucial vital sign that reflects the overall health and functionality of the body. It’s the measure of how warm a body is. ⚫︎ It can be measured using a thermometer, typically in degrees Celsius (°C) or Fahrenheit (°F). ⚫︎ 体温 is an important indicator of health. Abnormal 体温 can signal illness.

⚫︎ 彼の体温は38度です。 Translation: His body temperature is 38 degrees. ⚫︎ 熱があるので、今朝体温を測りました。 Translation: Because I have a fever, I measured my body temperature this morning. ⚫︎ 体温計を使って、子どもの体温を測ります。 Translation: I use a thermometer to measure my child's body temperature.

体温 is used in various contexts, especially in healthcare, when discussing health conditions, or when reporting on someone's physical state. ⚫︎ It is used in doctor's appointments. ⚫︎ When you want to tell someone about their, or someone else's, temperature. ⚫︎ When there's a concern about a fever or illness.

⚫︎ The word is typically written using the kanji 体 (tai - body) and 温 (on - warmth, temperature) combined to form 体温. ⚫︎ The reading is たいおん in hiragana. ⚫︎ There is no other way to write this word. ⚫︎ There are no variations in okurigana.

There aren’t direct synonyms. However, related terms include: ⚫︎ 熱 (netsu) - fever/heat ⚫︎ 熱度 (netsudo) - temperature ⚫︎ 体調 (taichou) - physical condition/health

There aren’t direct antonyms for 体温 itself. However, related concepts would include: ⚫︎ 冷たさ (tsumetasa) - coldness ⚫︎ 冷え (hie) - chill/cold

子供の体温を測ったら、39度ありました。 ・Translation: When I measured the child's body temperature, it was 39 degrees. ・Explanation: This sentence describes the action of taking a child's temperature and the result.

今日は体温が少し高いので、学校を休みます。 ・Translation: I'm going to miss school today because my temperature is a little high. ・Explanation: This sentence explains the reason for missing school due to a raised 体温, potentially indicating a fever.

The word 体温 is a compound word. 体 (tai) means "body", and 温 (on) means "warmth" or "temperature." So, the word literally means "body warmth" or "body temperature." It directly reflects the concept of measuring and understanding the internal temperature of a living organism.