Pronunciation: /krud ɔɪl/
noun a liquid fossil fuel
A1 Crude oil is a type of fossil fuel.
A2 Many countries rely on the export of crude oil for their economy.
B1 The price of crude oil can fluctuate due to various factors.
B2 Refineries process crude oil into different petroleum products.
C1 Environmental concerns have led to calls for reduced reliance on crude oil.
C2 The geopolitical implications of crude oil production are complex and far-reaching.
formal The price of crude oil has been fluctuating due to global demand and supply factors.
informal I heard that the cost of crude oil is going up again.
slang They struck it rich when they hit a gusher of crude oil on their land.
figurative His emotions were like crude oil, bubbling up to the surface uncontrollably.
crude oils
cruder
crudest
crude oil
will be crude oil
has been crude oil
is being crude oil
crude oil
crude
to extract crude oil
extracting crude oil
extracted crude oil