Concave: meaning, definitions and examples

Mathematics

• In geometry, a concave shape has at least one angle that is greater than 180 degrees.
• Concave polygons can create interesting optical illusions, where some points appear to be pulled inward.

Physics

• Concave mirrors, which curve inward, focus light to a single point, making them useful in telescopes.
• In sound technology, concave surfaces can enhance sound, as seen in some musical instruments like parabolic microphones.

Art

• Artists use concave and convex shapes to create depth and perspective in paintings, influencing how we perceive visual space.
• The shape of certain sculptures, like those by Henry Moore, often features concave forms, inviting viewers to explore contours.

Architecture

• Many ancient structures, such as amphitheaters, have concave designs that enhance acoustics, allowing sound to travel better.
• Modern buildings often use concave elements in design for aesthetic appeal and functional purposes, blending art with engineering.

Nature

• Concave shapes appear in nature, such as the curves of certain leaves and flower petals, which help optimize sunlight absorption.
• Some animal skeletons exhibit concave structures, providing strength while minimizing weight, like bird bones.

Position #9,000 indicates this is an advanced-level word. While not essential for basic communication, it will enhance your ability to understand and create more nuanced content.

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• 8997 prudence
• 8998 portal
• 8999 hood
• 9000 concave
• 9001 disgust
• 9002 inherently
• 9003 grammatical
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