High-definition (HD) refers to a type of video or image quality that offers a very clear and sharp picture. It uses a higher resolution, meaning it has more pixels, which allows for finer details and more vibrant colors. High-definition is commonly used in televisions, cameras, and video displays to provide viewers with a more lifelike and immersive experience. When something is filmed or displayed in high-definition, it appears sharper and more realistic, making even small details easy to see clearly.

英語での「HD」の定義と意味

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