tremolando

Etymology

From Italian tremolando.

noun

1. (music) A tremolo section of a piece.
   […] Mr. Osorio offered Albéniz’s “Suite Española” No. 1 in a reading notable for its high-energy performances of “Granada,” with its lilting melody weaving through guitarlike figuration, and “Asturias,” in which a serpentine theme is wrapped in a hypnotic tremolando figure. January 24 2007, Allan Kozinn, “Returning to New York, Forcefully”, in New York Times
   Wolf's own Wagner paraphrases (c. 1882) often presage the piano parts of his later songs, both in their part-writing and in their transcription of orchestral effects such as string runs or tremolandos. 2011, Eric Sams, The Songs of Hugo Wolf
   The characteristic surface element of the dense tremolandi is immediately projected into the ensemble and conditions all the different means of sound production available, including the unpitched sound of the tam-tam. 2017, Janet K. Halfyard, Berio's Sequenzas: Essays on Performance, Composition and Analysis

adv

1. (music) Played with a tremolo effect.