(solid state physics) Initialism of amorphous silicon.

plural of sie

(South Africa) Expressing disgust, disappointment, or annoyance.

Third-person singular simple present indicative form of sie

simple past tense and past participle of sie

(Britain) Initialism of Secret Intelligence Service. / Initialism of Schengen Information System.

A diminutive of the male given name Simon. / A diminutive of the male given name Silas.

Alternative form of Xi

(historical) Various prefectures of imperial China.

Initialism of second impact syndrome. / Initialism of snow immersion suffocation. / (education) Initialism of student information system. / Initialism of supervised injection site.