What does "foreshock" mean?
A small earth tremor which precedes the mainshock in an earthquake sequence.
noun ·Rare ·Advanced level
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"The FY 1981 increases in defense — something of a "foreshock" to the rapid rise in defense spending over the next several years — were prompted by the fall of the Shah in Iran and the Soviet invasion of Afghanistan."
"The FY 1981 increases in defense — something of a "foreshock" to the rapid rise in defense spending over the next several years — were prompted by the fall of the Shah in Iran and the Soviet invasion of Afghanistan."
A small earth tremor which precedes the mainshock in an earthquake sequence.
Common synonyms include: early signal, precursor earthquake, precursor signal, preseismic quake.
The FY 1981 increases in defense — something of a "foreshock" to the rapid rise in defense spending over the next several years — were prompted by the fall of the Shah in Iran and the Soviet invasion of Afghanistan.
From fore- + shock.