Definition of the naked eye in English:

the naked eye

phrase

  • Unassisted vision, without a telescope, microscope, or other device.

    ‘threadworm eggs are so small that they cannot be seen with the naked eye’
    • ‘Any microscopic reduction, certainly invisible to the naked eye, is cancelled out by bulges wherever elastane cuts into flesh.’
    • ‘The attraction between us was almost tangible, electricity visible to the naked eye.’
    • ‘Gas-detecting devices currently used by investigators can detect the presence of gas which is invisible to the naked eye but not the source of the leak.’
    • ‘Not everyone can see it, and it is clearer to the naked eye than in photographs.’
    • ‘Does this mean, you ask yourself, that stars visible to the naked eye have existed longer than those that had to wait for the invention of the telescope?’
    • ‘Though invisible to the naked eye, excess calories would pile on very visible fat.’
    • ‘The system works due to hundreds of tiny microchips - invisible to the naked eye - which are contained in a solution painted on the back of a mobile.’
    • ‘Some of the angles aren't even visible to the naked eye.’
    • ‘The bending of the arm may be invisible or intractable to the naked eye, even though television cameras can film 25 frames per second.’
    • ‘The five planets visible to the naked eye will come together later this month in a dazzling conjunction that will not be repeated for 100 years.’