Stem

Stem or STEM most commonly refers to: Stem or STEM can also refer to:
 * Plant stem, a structural axis of a vascular plant
 * Science, technology, engineering, and mathematics

Language and writing

 * Word stem, part of a word responsible for its lexical meaning
 * Stemming, a process in natural language processing
 * Stem (music), in music notation, the vertical lines directly connected to the note head
 * Stem (typography), the main vertical stroke of a letter
 * Stem, the opening of a multiple choice question

Music and audio

 * Stem (audio), a collection of audio sources mixed together to be dealt with downstream as one unit
 * Stem (music), a part of a written musical note
 * Stem mixing and mastering, a method of mixing audio material
 * The Stems, an Australian garage punk band
 * "Stem" (DJ Shadow song), 1996
 * "Stem" (Ringo Sheena song), 2003
 * "Stem", a song by Hayden from the 1995 album Everything I Long For
 * "Stem", a song by Static-X from the 1999 album Wisconsin Death Trip
 * "Die Stem van Suid-Afrika", or "Die Stem", the national anthem of South Africa during the apartheid era

Science, technology and transportation

 * Scanning transmission electron microscopy, a type of microscopy
 * Spatiotemporal Epidemiological Modeler, free software
 * Stem, part of a compound variable in the Rexx computer programming language
 * Stem (bicycle part), connecting the handlebars to the steerer tube of a bicycle fork
 * Stem (ship), the most forward part of a boat or ship's bow
 * Stem, part of a watch

Other uses

 * Stem (glass), the stem of a drinking glass
 * Stem (lesbian), or soft butch, who exhibits some stereotypical butch traits
 * Stem (skiing), a technique in skiing
 * Stem, North Carolina, U.S., a town
 * STEM.org, an American multinational education company
 * Stemming, a term in climbing
 * Upgrade (film), a 2018 film, originally released as STEM, featuring an AI chip called STEM