tond (#), biderang (#)
Fr.: rapide, instantané, prompt
Quick, at once or without delay.
M.E., from O.Fr. prompt, from L. promptus "brought forth, ready, quick," p.p. of promere "to bring forth," from → pro- "forward" + emere "to take."
Tond, "swift, rapid, brisk; fierce, severe,"
Mid.Pers. tund "sharp, violent;" Sogdian tund "violent;" cf. Skt. tod-
"to thrust, give a push," tudáti "he thrusts;" L. tundere
"to thrust, to hit" (Fr. percer, E. pierce, ultimately from
L. pertusus, from p.p. of pertundere "to thrust or bore through,"
from per- + tundere, as explained);
PIE base *(s)teud- "to thrust, to beat."
notronhâ-ye tond (#)
Fr.: neutrons instantanés
Neutrons emitted immediately by a nucleus undergoing fission, as opposed to → delayed neutrons, which are emitted by one of the fission products an appreciable time interval after the fission event (from a few milliseconds to a few minutes).
prompt supernova explosion
oskaft-e tond-e abar-now-axtar, ~ biderang-e ~
Fr.: explosion rapide de supernova
A mechanism predicted by theoretical models of → supernova explosion in the case when the → supernova shock breaks through the outer edge of the collapsing → iron core before losing all of its energy (through → photodisintegration of the iron nuclei) and manages to expel the stellar envelope. Compare with → delayed supernova explosion.