alpha


2alpha

adj

Definition of ALPHA

1
: closest in the structure of an organic molecule to a particular group or atom —symbol α <α-substitution>
2
: socially dominant especially in a group of animals <an alpha male>

First Known Use of ALPHA

1863

Other Alphabet Terms

cuneiform, linear, minuscule, pictograph, rune, symbology, wedge

Browse

Next Word in the Dictionary: alpha–adrenergic
Previous Word in the Dictionary: alpestrine
All Words Near: alpha

Seen & Heard

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

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More