最終更新日：2025/11/24

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.

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sealed beam

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元となった辞書の項目

sealed beam

(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.

日本語の意味

密閉型ビームランプ：反射器とレンズ一体のユニット内にフィラメントが封入された電球で、光線の整合性を保ち、反射器が汚れたり酸化したりするのを防ぐことを目的とする。

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After the storm, the sealed beam on the workshop's spotlight needed replacement because the filament had burned out.

Google翻訳 / DeepL翻訳

嵐の後、作業場のスポットライトに付いていた密封ユニット式のランプはフィラメントが切れていたため交換が必要だった。

意味（1）

(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.

The new Sealed Beam Headlights are designed to maintain substantially their initial efficiency throughout their life.

Google翻訳 / DeepL翻訳

sealed beams

（ plural ）

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