II.off [美 ɔf, ɑf, 英 ɒf]副off often appears as the second element of certain verb structures in English (break off, pay off, take off, etc). For translations, see the relevant verb entry (break, pay, take, etc).
I.on [美 ɑn, ɔn, 英 ɒn]介词on often appears as the second element of certain verb structures in English (count on, lay on, sign on, etc). For translations, see the relevant verb entry (count, lay, sign, etc).
As the summer monsoon season comes to an end and afternoon showers begin to taper off, the river settles down and clears nicely, allowing the fun to begin.
In most natural occurring materials, the magnetically coupled response starts to taper off at frequencies in the gigahertz range, which also means significant magnetism does not occur at optical frequencies.
Production began to taper off in the 1870s (except for an anomalously large coinage in 1881), but mintage of the denomination did not finally end until 1889.
By 1811 the war had made the government-controlled saltpeter business taper off since there was by then a shortage of wood ashes with which potassium nitrate was made.
Rather, their positions must be described as probability distributions that taper off gradually as one moves away from the nucleus, without a sharp cutoff.