PTM may refer to:
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Parent-teacher meeting, a meeting of parents with teachers to discuss the progress of school students
*
Pashtun Tahafuz Movement
The Pashtun Tahafuz Movement (PTM; ps, پښتون ژغورنې غورځنګ ''Paṣtūn Zhghōrənē Ghōrźang''; ur, , lit=Pashtun Protection Movement) is a social movement for Pashtun human rights based in Khyber Pakhtunkhwa and Balochistan ...
, a human rights movement in Pakistan for the Pashtun people
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Polygyny threshold model, a theory explaining polygyny
*
Polynomial texture mapping, a digital imaging technique
*
Portugal. The Man
Portugal. The Man is an American rock band from Wasilla, Alaska, currently based in Portland, Oregon. The group consists of John Baldwin Gourley, Zach Carothers, Kyle O'Quin, Jason Sechrist, Eric Howk and Zoe Manville. Gourley and Carothers met a ...
, an American rock band
*
Post-translational modification, covalent and generally enzymatic modification of proteins following protein biosynthesis by ribosomes
*
Post-transition metal, a grouping of chemical elements
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Probabilistic Turing machine
* Pulse-time modulation, an alternative name for
Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a method of reducing the average power delivered by an electrical signal, by effectively chopping it up into discrete parts. The average value of voltage (and current) fed ...
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