Tarmac
来自Big Physics
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early 20th century: abbreviation of tarmacadam.
wiktionary
Clipping of tarmacadam, which is tar + macadam (crushed stones). Originally a trademark owned by its inventor Edgar Hooley.
etymonline
tarmac (n.)
1903, Tarmac, a trademark name, short for tarmacadam (1882) "pavement created by spraying tar over crushed stone," from tar (n.1) + John L. McAdam (see macadam). By 1919, tarmac was being used generally in Great Britain for "runway."
