1.
pixel
The smallest unit of a digital image or display, representing a single point of color.
画素 is the Japanese term for 'pixel'—the smallest unit of a digital image.
Etymology
画 (image) + 素 (element) = picture element (pixel)
Common collocations
COMMON COLLOCATIONS (camera specifications):
Similar words
ピクセル (pixel) is also commonly used, especially in technical contexts. Both terms are interchangeable.