Origin: 1840–50; < LL
trādūciānus transmitter (
trāduci-, s. of
trādux lineage (L: vine led across for propagation, deriv. of
trādūcere to lead across;
see traduce ) +
-ānus -an ) +
-ism 
Related forms: tra⋅du⋅cian⋅ist, tra⋅du⋅cian, noun, adjective
tra⋅du⋅cian⋅is⋅tic, adjective
[truh-doo-shuh-niz-uh