Word a Day
electron
What does electron mean?
electron (noun): an elementary particle with negative charge.
Definition: Princeton WordNet 3.1.
How do you pronounce electron?
/ɪˈlɛktɹɑn/ (IPA, American English). The app reads every word aloud.
Test yourself: do you know “electron”?
Tap an answer to check it. The same questions the app asks.
What does “electron” mean?
an elementary particle with negative charge
Right! That's what “electron” means.
systematic investigation to establish facts
Not quite: that's what research means.
an economic role for which a person is paid
Not quite: that's what job means.
a subdivision of a particular kind of thing
Not quite: that's what type means.
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