Examlex
Nearsightedness (hyperopia) occurs when the lens focuses images of distant objects in front of, rather than on, the retina.
Effervescence
The release of gas bubbles in a liquid, often seen when acids react with carbonates producing carbon dioxide bubbles.
Magnetism
A natural occurrence resulting from electric charge movement, leading to objects attracting and repelling each other.
Hardness
The measure of a material's resistance to deformation, typically by indentation, abrasion, or cutting.
Streak
A long, thin line or mark of a different substance or color from its surroundings.
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