petroleum ether: meaning, definition, pronunciation and examples
C2technical/scientific
Quick answer
What does “petroleum ether” mean?
A highly volatile, flammable mixture of low-boiling hydrocarbons derived from petroleum, used primarily as a solvent.
Audio
Pronunciation
Definition
Meaning and Definition
A highly volatile, flammable mixture of low-boiling hydrocarbons derived from petroleum, used primarily as a solvent.
A laboratory and industrial solvent for fats, oils, and waxes, often specifically referring to a fraction containing pentanes and hexanes, with a low boiling point range.
Dialectal Variation
British vs American Usage
Differences
Terminology is identical. Regional spelling variations (e.g., 'labour' vs. 'labor') do not apply to this compound term.
Connotations
Purely technical, with strong safety/hazard connotations. No cultural variance.
Frequency
Equal frequency in scientific contexts in both regions. Virtually absent in general discourse.
Grammar
How to Use “petroleum ether” in a Sentence
dissolve X in petroleum etherextract X using petroleum etherX is soluble/insoluble in petroleum etherevaporate petroleum ether from XVocabulary
Collocations
Examples
Examples of “petroleum ether” in a Sentence
verb
British English
- The sample was then petroleum-ethered to remove the lipid fraction.
American English
- We need to petroleum-ether the extract to concentrate the compound.
adverb
British English
- The mixture was washed petroleum-ether-clean.
American English
- The component was isolated petroleum-ether-quickly.
adjective
British English
- The petroleum-ether solution was carefully decanted.
American English
- Follow proper petroleum-ether disposal protocols.
Usage
Meaning in Context
Business
In supply chain and safety data sheets for chemical distributors.
Academic
Common in organic chemistry laboratory manuals and research papers detailing extraction or purification procedures.
Everyday
Extremely rare. Might be mentioned in high-level DIY or artistic contexts involving solvents.
Technical
Primary context. Used in protocols for chromatography, extraction, degreasing, and as a reaction solvent.
Vocabulary
Synonyms of “petroleum ether”
Strong
Neutral
Weak
Vocabulary
Antonyms of “petroleum ether”
Watch out
Common Mistakes When Using “petroleum ether”
- Mispronouncing 'ether' as 'eether' (with a hard 'th' as in 'the').
- Confusing it with 'diethyl ether' (a specific compound).
- Using 'petroleum ether' in non-technical writing where 'lighter fluid' or 'solvent' would be clearer.
- Omitting necessary safety adjectives like 'flammable' or 'volatile'.
FAQ
Frequently Asked Questions
No. Diethyl ether is a specific chemical compound (CH3CH2-O-CH2CH3). Petroleum ether is a mixture of hydrocarbons (like pentanes, hexanes) with no oxygen. They are both volatile solvents, but chemically different.
Historically, 'ether' was used for volatile, flammable liquids. The name 'petroleum ether' predates modern chemical nomenclature and has persisted despite being a misnomer.
It is strongly discouraged. Petroleum ether is highly flammable and its vapours can be harmful. It should only be used with proper training, ventilation, and safety equipment.
It varies by grade, typically ranging from 30°C to 60°C or 40°C to 80°C, depending on the specific hydrocarbon mixture. It is always specified on the product's safety data sheet.
A highly volatile, flammable mixture of low-boiling hydrocarbons derived from petroleum, used primarily as a solvent.
Petroleum ether is usually technical/scientific in register.
Petroleum ether: in British English it is pronounced /pəˈtrəʊ.li.əm ˈiː.θə(r)/, and in American English it is pronounced /pəˈtroʊ.li.əm ˈiː.θɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “none”
Learning
Memory Aids
Mnemonic
PETroleum Ether: PET your experiment carefully, as this 'ether' is highly flammable, like petrol.
Conceptual Metaphor
A TRANSIENT CLEANER (evaporates quickly, removing greasy substances).
Practice
Quiz
What is the primary use of petroleum ether?