A beautifully shaped object, often round, that is used as a decorative item and is typically made of minerals, although it can also be composed of organic or plant materials, such as pearls or amber.
Any round object, commonly referring to items like light bulbs, balls used in sports, or small spherical goods utilized in games or activities, including counting food items such as boiled noodles or eggs.
A term used informally to refer to the small metal fasteners in devices like staplers, or as a colloquial term for male genitalia, often used in expressions that denote vulnerability or submissiveness.
Refers to a young woman who is an object of interest or desire, especially in social or romantic contexts, often implying a transactional element to the relationship.
A descriptor for a person regarded in a derogatory way, indicating they lack the qualities necessary for success in a given role or position.
Example:
その犬は弾丸のように去った。
A nearly spherical celestial body that serves as the home for humanity, located third from the Sun within the solar system, and accompanied by a natural satellite, the Moon.
A planet characterized by a diverse environment containing vast amounts of water and an atmosphere rich in nitrogen and oxygen, supporting a wide variety of life forms.
A geophysical entity with a diameter of approximately 12,742 kilometers, composed of layers including the crust, mantle, and core, and with distinct rotational and orbital cycles of roughly 24 hours and 365 days, respectively.
A term that refers to the historical and scientific understanding of the planet's formation, development, and age, estimated to be around 4.6 billion years, as well as its representation in models and diagrams.
Example:
汚染が地球を傷つけている。
A three-dimensional geometric figure defined as the set of all points that are equidistant from a fixed center point, often visually reminiscent of objects like bubbles or balls.
An object that possesses a round shape, typically identifiable by its smooth and uniform curvature, commonly encountered in sports equipment such as balls used in various games.
A term used to describe a beautiful gemstone, particularly one that has a round shape, symbolizing value or desirability in cultural contexts.
A concept denoting a spherical or round characteristic, often used to characterize various items or objects that share this form in both everyday and technical language.
The central spherical structure of the eye, located within the eye socket, which connects to the optic nerve and is essential for vision.
The visual organ of vertebrates, composed of three layers—sclera, choroid, and retina—encasing the lens and vitreous body, playing a crucial role in focusing light to create images perceived by the brain.
A three-dimensional object that is perfectly round and symmetrical, resembling a ball or globe in shape.
An object that has all points on its surface equidistant from its center, commonly described as having a smooth, continuous form without edges or vertices.
A geometrical figure in which every point on the surface is at the same distance from the center, illustrating a uniform and balanced structure in space.
Example:
地球は完全な球体ではない。