How to Say "Syringe" in Japanese

注射器

chūshaki[t͡ɕɨːɕa̠kʲi]

The English word "syringe" is translated into Japanese as 注射器 (chūshaki).

注射器 refers to the physical device used for injecting or drawing fluids through a membrane.

Meaning: a device used for injecting or drawing fluids through a membrane (noun)

What does it mean word for word?

The word is composed of 注射 (chūsha), meaning 'injection' and 器 (ki), meaning 'device' or 'instrument'.

While 注射器 refers to the physical tool, the related noun 注射 (chūsha) refers to the act of injection itself.

chūshaki

While 注射器 is the standard noun, Japanese people often use the verb 注射を打つ (chūsha o utsu), which literally means 'to hit an injection'.
While 注射器 is the technical term, children are often told they are getting a ちくっと (chikutto) sensation, which is an onomatopoeia for a tiny, sharp prick.
The word 注射 was originally used in ancient China to describe the act of pouring liquid into a vessel or flushing out a cavity, long before the invention of the modern hypodermic needle.

私は注射器を見るまでは平気だった。
I was calm until I saw the syringe.
This sentence illustrates the context of seeing a 注射器.
Tatoeba #155077 by wordmagic, translation #2610594 by CM
医師は新しい注射器を使用します。
The doctor will use a new syringe.
うわっ！シリンジは痛そうだね。
Whoa! Syringes look painful, don't they?
新しい注射器が必要です。
Atarashii chuushaki ga hitsuyou desu.
A new syringe is needed.
その注射器はとても小さいです。
Sono chuushaki wa totemo chiisai desu.
That syringe is very small.

A nurse is explaining a procedure to a patient.

大翔 Hiroto

その注射器は痛いですか？
Sono chūshaki wa itai desu ka?
Does that syringe hurt?
美咲 Misaki

いいえ、とても細い針ですよ。
Iie, totemo hosoi hari desu yo.
No, it is a very thin needle.
大翔 Hiroto

わかりました。お願いします。
Wakarimashita. Onegaishimasu.
I understand. Please go ahead.
美咲 Misaki

では、注射器を準備しますね。
Dewa, chūshaki o junbi shimasu ne.
Now, I will prepare the syringe.

Sources

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