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invisible
01
not capable of being seen with the naked eye
02
ignored or hardly noticeable
invisible
adj
visible
adj
vision
n
Example
The small particles of dust were invisible in the air until they were illuminated by sunlight.
The invisible stains on the carpet were only revealed under UV light.
The invisible bacteria on the doorknob can spread illness if not properly cleaned.
The virus was invisible in the microscope, requiring advanced techniques to study its structure.
The invisible ink on the paper only became visible when exposed to heat.
