Crude Oil

B2 16+

Pronunciation: /krud ɔɪl/

Definitions of crude oil

noun a liquid fossil fuel

Example Sentences

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.

Examples of crude oil in a Sentence

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.

Grammatical Forms of crude oil

plural

crude oils

comparative

cruder

superlative

crudest

present tense

crude oil

future tense

will be crude oil

perfect tense

has been crude oil

continuous tense

is being crude oil

singular

crude oil

positive degree

crude

infinitive

to extract crude oil

gerund

extracting crude oil

participle

extracted crude oil

Origin and Evolution of crude oil

First Known Use: 1865 year
Language of Origin: Middle English and Latin
Story behind the word: The term 'crude oil' originated from the Middle English word 'crude', which means unrefined or raw, and the Latin word 'oleum', which means oil.
Evolution of the word: Originally used to describe unrefined petroleum, the term 'crude oil' has evolved to become the standard term for oil in its natural state before processing.