Ballistic
来自Big Physics
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late 18th century: from ballista + -ic.
wiktionary
From Latin ballista(“a military siege engine for throwing stones”) + -ic.
etymonline
ballistic (adj.)
1775, "pertaining to construction and use of thrown objects," ultimately from Greek ballein "to throw" (from PIE root *gwele- "to throw, reach"). Of rockets or missiles (ones that are guided while under propulsion, but fall freely), from 1949. Ballistic missile first attested 1954; they attain extreme heights, hence figurative expression go ballistic (1981) "become irrationally angry."
