| 释义 |
crack·ing
I. \ˈkrakiŋ, -kēŋ\ adjective
Etymology: from present participle of crack (I)
: great, smashing
< his dying was cracking relief — Elizabeth Bowen >
< a cracking regimental salute — Geoffrey Household >
II. adverb
: superlatively — usually used with good
< a cracking good show >
III. noun
(-s)
Etymology: from gerund of crack (I)
: a process in which relatively heavy hydrocarbons (as fuel oils and naphthas from petroleum) are broken up into lighter products (as gasoline and ethylene) by means of heat and usually pressure and sometimes catalysts — see catalytic cracking, thermal cracking |