secondary emission

noun

Definition of secondary emission

:the emission of electrons from a surface that is bombarded by particles (such as electrons or ions) from a primary source

First Known Use of secondary emission

1918


Medical Dictionary

secondary emission

noun

medical Definition of secondary emission

:the emission of electrons from a surface that is bombarded by particles (as electrons or ions) from a primary source

Learn More about secondary emission


Seen and Heard

What made you want to look up secondary emission? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to curse or denounce

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!