注射（ちゅうしゃ、chuusha）
- injection

The Japanese word 注射 注射 (ちゅうしゃ) means "injection" or "shot." It refers to the act of administering medication or a vaccine into the body, typically using a needle and syringe. This can be done under the skin (subcutaneous), into a muscle (intramuscular), or into a vein (intravenous). The word also encompasses the substance that is injected.

⚫︎ 風邪の予防に、インフルエンザの注射を受けました。 Translation: I got an influenza shot to prevent a cold. ⚫︎ 医者は患者に注射をしました。 Translation: The doctor gave the patient an injection. ⚫︎ その薬は注射で投与されます。 Translation: That medicine is administered by injection.

⚫︎ 注射 注射 is used in various contexts related to medical procedures. ⚫︎ It can be used when talking about getting a vaccine, taking medication, or describing a medical treatment. ⚫︎ It's also used to talk about the physical act of giving an injection.

⚫︎ 注射 注射 is typically written using the kanji 注射 注射. ⚫︎ The reading is ちゅうしゃ. ⚫︎ It is rarely written in hiragana or katakana. ⚫︎ The okurigana is fixed and doesn't have variations.

⚫︎ There aren't many direct synonyms for 注射 注射 in the same context, but related words include: ⚫︎ 接種（せっしゅ） - vaccination/inoculation (often specifically for vaccines)

⚫︎ There is no direct antonym, as it’s a specific action. However, the opposite of receiving an injection would be not receiving an injection. If we are discussing taking medication, then oral medications would be an antonym.

先生は、その薬を注射で投与すると言いました。 ・Translation: The doctor said he would administer the medicine by injection. ・Explanation: This sentence explains that the medication will be given using a shot.

子供は注射を怖がって泣き出した。 ・Translation: The child started crying because they were scared of the shot. ・Explanation: This sentence describes a common fear associated with injections.

The word 注射 注射 is a compound word. 注 (chuu) means "to pour" or "to inject," and 射 (sha) means "to shoot" or "to inject." Therefore, the combination of these characters perfectly captures the concept of injecting something into the body.