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).
an extremely small piece of matter with a positive electrical charge, having the same mass as an electron
a very small piece of matter with a positive electrical charge, and with the same size as an electron
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
