Almach

noun

Al·​mach ˈȯl-ˌmäk 

ˈäl-,

ˈal-,

-ˌmak

astronomy

: a group of stars of the second magnitude that is seen in the constellation of Andromeda

The double star, known as Almach, reveals a brilliant contrast of color between the two stars.

—Chris Pagan, Tulsa World, 2 Jan. 2011

called also Gamma Andromedae

Note: What is visible in the night sky as the star Almach is actually a group of four separate stars: one large star and a second group of three much smaller stars, bound together gravitationally.

Word History

First Known Use

1787, in the meaning defined above

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