Definition: ACE

(1) (Adobe Certified Expert) The award for successfully completing an examination in an Adobe application such as Photoshop, Illustrator or Dreamweaver as well as in one of Adobe's campaign and media management products (Adobe Campaign Developer, Adobe Experience Manager, etc.). Exams in more than 25 subjects are offered in numerous locations by the Pearson VUE testing organization.

(2) (Advanced Computing Environment) An open standard based on Unix and Windows NT introduced in 1991 by MIPS Computer Systems and others. Although later disbanded, its purpose was to provide users a migration path from x86 PCs to MIPS RISC machines.