masslessness
Absence of mass; the state or condition of being masslessAbsence of mass; the state or condition of being massless.
US/ˈmæs.lɪs.nɪs/
Meaning
1 senses(uncountable)Absence of mass; the state or condition of being massless.
Origin
From massless + -ness.From massless + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable