| 单词 | massless |
| 释义 | massless[ mas-lis ] / ˈmæs lɪs / adjective Physics.pertaining to an elementary particle having zero rest mass, as a photon. Origin of masslessFirst recorded in 1875–80; mass + -less OTHER WORDS FROM masslessmass·less·ness, nounWords nearby masslessMassinissa, massive, massive resistance, massive retaliation, mass leave, massless, mass man, mass-market, mass marketing, mass-market paperback, mass media Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for massless
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