In recent years, restless as ever, Kristeva has utilised fiction as her principal mode of expression.
Among many groups, however, the principal mode of transmission has shifted from sex to contaminated drug needles.
The movie's sixth major character isn't a person but the ubiquitous cellphone that is the friends' principal mode of communication.
Thus, the tape machine is used as a notating device, and the principal mode of communication is oral.
(That's also the principal mode of discussion about TV shows, because there's no image there to experience, nothing to see, nothing to feel physically).
Even before the advent of jet airliners, piston-engine transports had usurped traditional railway and steamship technology as the principal mode of transport for long-distance trips.
The principal mode of cholera transmission, contaminated water, had also been described previously by the British anesthesiologist John Snow in 1849.
The group's principal mode of operation was through infiltration of labour unions, political parties, and, in at least two cases, newspapers: police agents were editors of the Marxist journals Nachalo (1899, "The Beginning") and, in 1912 13, of Pravda.
"If we can continue to attract the smartest students, as we have done in the first year, I think this will become the principal mode of entry into this university," he said.
The principal mode of occurrence of tachylyte is as a chilled edge to thin dikes or sills of basalt or diabase; this edge may be only a millimetre or so thick and merges inward into crystalline basalt.
Majority of conventional design of autonomous underwater vehicles used propellers as their principal mode of propulsion.
