英语词汇“effective mass”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

effective mass

noun

The mass of something as calculated or inferred from its effect in a particular context; (Physics ) the mass that needs to be assigned to a particle if the usual equations of motion are to hold in a situation where they do not strictly apply; specifically the mass that an electron appears to have in a crystal lattice, where its motion is affected by electric and magnetic fields.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.

单词	effective mass
释义	effective mass noun The mass of something as calculated or inferred from its effect in a particular context; (Physics ) the mass that needs to be assigned to a particle if the usual equations of motion are to hold in a situation where they do not strictly apply; specifically the mass that an electron appears to have in a crystal lattice, where its motion is affected by electric and magnetic fields. Origin Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.
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