noun🔗Share封筒A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing."My sister put the letter in an envelope and took it to the mailbox. "妹は手紙を封筒に入れ、郵便受けに持っていきました。stationerycommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share封筒, 封入物Something that envelops; a wrapping."The letter was carefully placed inside the envelope. "手紙は封筒の中に丁寧に収められました。stationerymaterialChat with AIVocabulary GamePractice Reading
noun🔗Shareエンベロープ、気球の皮A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship."The hot air balloonist carefully inspected the envelope for any tears before filling it with hot air. "熱気球操縦士は、熱い空気を充填する前に、エンベロープに破れがないか注意深く検査しました。vehicleparttechnologynauticalChat with AIVocabulary GamePractice Reading
noun🔗Share包絡線A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects."The engineer used the envelope of possible flight paths to determine the safest trajectory for the rocket. "エンジニアは、ロケットの最も安全な軌道を決定するために、可能な飛行経路の包絡線を使用しました。mathsciencetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareエンベロープA curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics."The technician carefully measured the envelope of the radio signal to ensure proper transmission. "技術者は適切な伝送を確実にするために、無線信号のエンベロープを注意深く測定しました。electronicstechnologysignalphysicsmathChat with AIVocabulary GamePractice Reading
noun🔗Shareエンベロープ、音の輪郭The shape of a sound, which may be controlled by a synthesizer or sampler."The musician carefully shaped the sound of the trumpet using a synthesizer to create a specific envelope. "ミュージシャンは、特定のエンベロープを作成するために、シンセサイザーを使用してトランペットの音の輪郭を注意深く形作りました。musicsoundtechnologyelectronicssignalChat with AIVocabulary GamePractice Reading
noun🔗Shareエンベロープ, 封筒The information used for routing a message that is transmitted with the message but not part of its contents."The envelope on the letter contained the address, but not the actual letter itself. "手紙のエンベロープには住所が書かれていましたが、手紙そのものは入っていませんでした。technologycomputingcommunicationinternettechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share封筒, 包みAn enclosing structure or cover, such as a membrane; a space between two membranes"The onion's outer layer is a tough envelope protecting the delicate inner parts. "タマネギの外側の層は、繊細な内部部分を保護する丈夫な包みです。materialstructurestationerywritingChat with AIVocabulary GamePractice Reading
noun🔗Share範囲, 限界The set of limitations within which a technological system can perform safely and effectively."The new software program has a narrow envelope of acceptable temperatures for optimal performance. "新しいソフトウェアプログラムは、最適なパフォーマンスを得るための許容温度の範囲が狭いです。technologytechnicalsystemrangeChat with AIVocabulary GamePractice Reading
noun🔗Shareエンベロープ、コマThe nebulous covering of the head or nucleus of a comet; a coma."The comet's envelope was a bright, fuzzy cloud of gas and dust. "彗星のコマは、明るくぼやけたガスと塵の雲でした。astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗Share包囲、封筒An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it."The soldiers built an envelope around the village to protect it from enemy attack. "兵士たちは敵の攻撃から村を守るために、村の周囲に包囲を築いた。militaryarchitectureChat with AIVocabulary GamePractice Reading
verb🔗Share包む, 囲むTo surround or enclose."The thick cardboard box enveloped the fragile glassware, protecting it from damage during shipping. "厚い段ボール箱は、輸送中の破損から保護するために、壊れやすいガラス製品を包みました。areaenvironmentChat with AIVocabulary GamePractice Reading
