How to Say "Nicotine" in Japanese

ニコチン

nikochin[ɲ̟iko̞t͡ɕĩɴ]

Nicotine in Japanese is ニコチン (nikochin).

ニコチン refers to the addictive alkaloid derived from tobacco. You can also use the phrase タバコのニコチン to specifically mean "nicotine in tobacco."

Meaning: addictive alkaloid derived from tobacco (noun)

How do you pronounce it?

The romanization is nikochin.

While ニコチン is a chemical term, Japanese people often use the word タバコ to refer to both the plant and the cigarette, reflecting the word's origin from the Portuguese 'tabaco'.
In health campaigns, Japanese labels for nicotine-free products often emphasize the absence of ニコチン to appeal to those trying to quit, as the word itself carries a strong connotation of 'danger' and 'dependence'.
The word 'nicotine' in English is thought to be named after Jean-Baptiste Nicot, but the Japanese term adopts this name without any reference to the person's identity.

ニコチンはヘロインと同様に中毒性があるのですか？
Is nicotine as addictive as heroin?
This sentence is useful for asking about the addictive properties of the word ニコチン.
Tatoeba #8830966 by bunbuku, translation #8009430 by CK
ニコチンはタバコに含まれる有害な成分です。
Nicotine is a harmful substance contained in tobacco.
タバコのヤニにはニコチンが含まれています。
Nicotine is included in tobacco tar.
喫煙することでニコチンの摂取量が増加します。
Smoking increases nicotine intake.
タバコにはニコチンが含まれています。
Tabako ni wa nikochin ga fukumarete imasu.
Tobacco contains nicotine.
ニコチンの摂取を控えるべきです。
Nikochin no sesshu o hikaeru beki desu.
You should refrain from consuming nicotine.

Two friends are discussing the health effects of smoking.

大翔 Hiroto

タバコの有害成分は何かな？
Tabako no yūgai seibun wa nani kana?
What are the harmful components in cigarettes?
結衣 Yui

ニコチンやタールなどがあるよ。
Nikochin ya tāru nado ga aru yo.
There are things like nicotine and tar.
大翔 Hiroto

ニコチンはやっぱり依存性が高いんだね。
Nikochin wa yappari izonsei ga takai n da ne.
Nicotine is indeed highly addictive, isn't it?
結衣 Yui

そうだよ、だからやめるのが難しいの。
Sō da yo, dakara yameru no ga muzukashii no.
That's right, which is why it's hard to quit.

Sources

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