Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Unassisted vision, without a telescope, microscope, or other device.
: the eye unaided by any instrument that changes the apparent size or distance of an object or otherwise alters visual powers just visible to the naked eye.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
