Wiktionary
n. (context British science fiction English) A teleporter; a fictional device that transfers/transmits matter from one location to another without the object traversing the intervening distance as itself. vb. (context British science fiction English) To teleport; to travel via transmat device.
Wikipedia
Transmat is the record label of techno music musician Derrick May, started in 1986. For years the label "released the tracks that would fuel the Techno boom" ... by artists like Rhythim is Rhythim, Suburban Knight, Joey Beltram.
Transmat includes the sub-label Fragile Records.
Detroit and its story has been told and like all legendary tales, those who have paid attention know more then the average person tuning in.
-- DJ Frankie Bones about Rhythim is Rhythim's 'Nude Photo'
Usage examples of "transmat".
Which, by elimination, meant he must be on the pirate ship, probably in the transmat chamber, if that big gaudy panel he saw in the corner was any indication.
They had seen matter transportation before, but most transmat on Thallon was done with sending and receiving platforms.