'Stem' may refer to:
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Plant stem, the above ground structures that have vascular tissue and support leaves and flowers
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Word stem, the base part of a word not including inflectional morphemes
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Stem (bicycle part), connects the handlebars to the steer tube of a bicycle fork
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Stem (music), a part of a written musical note
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Crack stem, a device for smoking crack cocaine
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Stem (ship), the upright member mounted on the forward end of a vessel's keel, to which the strakes are attached
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Stem (skiing) is a technique in skiing
★ "Stem", a song by Canadian musician Hayden from his 1995 album ''
Everything I Long For''
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Stem (band), an Estonian metal group
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The Stems, an Australian garage rock/power pop group from the 1980s
'STEM' may also refer to:
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Scanning transmission electron microscope
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STEM fields, Science, Technology, Engineering, and Mathematics, collectively considered core technological underpinnings of an advanced society
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Spatiotemporal Epidemiological Modeler, a free software developed by IBM