1. The quality or condition of being strange.
a. A quantum property of strange quarks and of hadrons that contain strange quarks that is conserved in electromagnetic and strong interactions, but may not be conserved in weak interactions that cause the decay of strange hadrons.
b. The quantum number represented by this property, equal to the difference between the number of strange antiquarks and the number of strange quarks.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.