单词 | up quark |
释义 | up quarknoun Physics.the quark having electric charge 2/3 times the elementary charge and strangeness and charm equal to 0. Also called u quark. Origin of up quarkFirst recorded in 1975–80 Words nearby up quarkup-phase, uppish, uppity, UPPP, Uppsala, up quark, upraise, uprate, uprear, upright, upright piano Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for up quarkup quark [ ŭp ] A quark with a charge of +2/3. Its mass is approximately 10 times the electron mass and is the least mass of all quarks. See Table at subatomic particle. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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