Last Updated
：2026/01/06
ブースター
Hiragana
ぶーすたー
Noun
Japanese Meaning
ロケットやミサイルで、第1段目の推進装置の部分。また、その推進ロケット。 / テレビなどの受信機で、受信した電波の信号を増幅する装置。電波を強めて感度を上げるために用いられる。 / 比喩的に、ある物事の勢いや効果を高めるもの。また、そのきっかけとなる要因。 / ワクチン接種において、免疫効果を高めたり長続きさせたりするために行う追加接種（ブースター接種）。
Easy Japanese Meaning
ロケットのしたのほうにあるエンジンで、はじめにロケットをつよくおしあげるぶぶん
Chinese (Simplified) Meaning
多级火箭的第一级助推器 / 电视信号放大器
Chinese (Traditional) Meaning
助推器（多級火箭的第一級） / 電視訊號放大器
Korean Meaning
다단 로켓의 1단 추진체 / 텔레비전 신호 증폭기
Vietnamese Meaning
tầng đẩy (giai đoạn đầu của tên lửa nhiều tầng) / bộ khuếch đại tín hiệu truyền hình (TV)
Tagalog Meaning
pampalakas na yugto ng multi-yugtong rocket / pampalakas ng signal sa telebisyon
Sense（1）
booster (the first stage of a multistage rocket)
Sense（2）
(electronics) amplifier used for television signal
（ romanization ）
Quizzes for review
booster (the first stage of a multistage rocket) / (electronics) amplifier used for television signal
See correct answer
ブースター
See correct answer
He is working on the design of the rocket booster.
See correct answer
彼はロケットのブースターの設計に取り組んでいます。
Japanese - English
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