Stem or STEM may refer to:

Plant structures

Plant stem A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves, flowers and fruits, transports water and dissolved substances between the roots and the shoots in the xylem and phloem, stores nutrie ...

, a plant's aboveground axis, made of vascular tissue, off which leaves and flowers hang *

Stipe (botany) In botany, a stipe is a stalk that supports some other structure. The precise meaning is different depending on which taxonomic group is being described. file:Helicteres-Yucatán-Flowers.jpg, The long stipe of a '' Helicteres'' flower. file:Helic ...

, a stalk to support some other structure * Stipe (mycology), the stem of a mushroom under the cap * Stem (vine), part of a grapevine *

Trunk (botany) In botany, the trunk (or bole) is the stem and main wooden axis of a tree, which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk is the ...

, the woody stem of a tree

Education

Science, technology, engineering, and mathematics Science, technology, engineering, and mathematics (STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics. The term is typically used in the context o ...

(STEM), a broad term used in curricula and policy *

STEM.org STEM.org is an American multinational education company

, an educational publisher and service * Stem, a

multiple choice Multiple choice (MC), objective response or MCQ (for multiple choice question) is a form of an objective assessment in which respondents are asked to select only correct answers from the choices offered as a list. The multiple choice format is m ...

question lede (excluding the options)

Language and writing

Word stem In linguistics, a word stem is a part of a word responsible for its lexical meaning. The term is used with slightly different meanings depending on the morphology of the language in question. In Athabaskan linguistics, for example, a verb stem ...

, the part of a word common to all its inflected variants **

Stemming In linguistic morphology and information retrieval, stemming is the process of reducing inflected (or sometimes derived) words to their word stem, base or root form—generally a written word form. The stem need not be identical to the morph ...

, a process in natural language processing *

Stem (typography) Typeface anatomy describes the graphic elements that make up letters in a typeface. Strokes The ''strokes'' are the components of a letterform. Strokes may be ''straight'', as in , or ''curved'', as in . If straight, they may be ''horizontal, ...

, the main vertical stroke of a letter * Stem (music), a part of a written musical note

Man-made objects

* Stem (ship), the upright member mounted on the forward end of a vessel's keel, to which the strakes are attached * Stem (bicycle part), connects the handlebars to the steer tube of a bicycle fork * Stem (glass), the stem of a drinking glass * Stem, part of a

watch A watch is a portable timepiece intended to be carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities. A wristwatch is designed to be worn around the wrist, attached ...

Crack stem Crack cocaine, commonly known simply as crack, and also known as rock, is a free base form of the stimulant cocaine that can be smoked. Crack offers a short, intense high to smokers. The ''Manual of Adolescent Substance Abuse Treatment'' calls i ...

, a device for smoking crack cocain

Music and audio

Stem (audio) In audio production, a stem is a discrete or grouped collection of audio sources mixed together, usually by one person, to be dealt with downstream as one unit. A single stem may be delivered in mono, stereo, or in multiple tracks for surround s ...

, 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 rock/power pop group from the 1980s

Songs

* "Stem", a song by Canadian musician Hayden from the 1995 album ''

Everything I Long For ''Everything I Long For'' is the debut album by Canadian singer-songwriter Hayden. It was initially released in Canada on Hardwood Records. It was later re-released in 1996 (with slightly modified cover art) on Sonic Unyon, and internationally o ...

'' * "Stem" (DJ Shadow song), a song by DJ Shadow from the 1996 album ''Endtroducing.....'' * "Stem", a song by American industrial metal band Static-X from the 1999 album '' Wisconsin Death Trip'' * "Stem" (Ringo Sheena song), a song by Ringo Sheena from the 2003 album ''Kalk Samen Kuri no Hana'' * "

Die Stem van Suid-Afrika Die Stem van Suid-Afrika (, ), also known as "The Call of South Africa" or simply "Die Stem" (), is a former national anthem of South Africa. There are two versions of the song, one in English and the other in Afrikaans, which were in use earl ...

", a former national anthem of South Africa, used during the apartheid era

Outdoor recreation

* Stem (skiing), a technique in skiing * Stem, a term in climbing

Science and technology

Stem cell In multicellular organisms, stem cells are undifferentiated or partially differentiated cells that can differentiate into various types of cells and proliferate indefinitely to produce more of the same stem cell. They are the earliest type of ...

, an undifferentiated biological cell that can differentiate into specialized cells *

Stem group In phylogenetics, the crown group or crown assemblage is a collection of species composed of the living representatives of the collection, the most recent common ancestor of the collection, and all descendants of the most recent common ancestor ...

, of a clade (in biological classification), consists of extinct organisms more closely related to the crown group than to any other extant clade *

, a grouping of academic disciplines capitalized as STEM *

Scanning transmission electron microscopy A scanning transmission electron microscope (STEM) is a type of transmission electron microscope (TEM). Pronunciation is tɛmor �sti:i:ɛm As with a conventional transmission electron microscope (CTEM), images are formed by electrons passing ...

, a type of microscopy *

Spatiotemporal Epidemiological Modeler The Spatiotemporal Epidemiological Modeler (STEM) is free software available through the Eclipse Foundation. Originally developed by IBM Research, STEM is a framework and development tool designed to help scientists create and use spatial and t ...

, software developed by IBM * Stem, part of a compound variable in the Rexx computer programming language * Main stem of a river

Other uses

* ''Stem'' (film), or ''Upgrade'', 2018 Australian science fiction horror film * Stem (lesbian), a woman who exhibits some stereotypical butch and lesbian traits * Stem, North Carolina, a city in Granville County, US