(mineralogy) A mineral with the chemical formula (AgMnPb₃Sb₅S₁₂), often found in hydrothermal deposits.

A board game traditionally played in various Commonwealth navies, similar to Ludo.

Alternative spelling of µcd

(computing) Initialism of Unicode Collation Algorithm, an algorithm which defines a customizable method to compare two strings. These comparisons can then be used to collate or sort text in any writing system and language that can be represented with Unicode.

Initialism of Uniform Child Custody Jurisdiction and Enforcement Act.

A surname from Japanese.

Initialism of University College London.

Initialism of ulnar collateral ligament.

In Japanese martial arts, a live-in student or apprentice who trains under and assists a sensei on a full-time basis.

(historical) One of a sect of strict Anabaptists whose tenets were essentially the same as those of the Mennonists, with the additional doctrine that Judas and the murderers of Christ were saved.