Definition

A colorless liquid hydrocarbon used as a solvent and in fuels, particularly in diesel engines to measure fuel quality.

Example

Cetane is an important component in diesel fuel that affects engine performance.

Conversation

Have you ever heard of cetane before?

Yeah, I think it has something to do with fuels, right?

Exactly! It's important for diesel engines to measure cetane levels.

That makes sense; higher cetane can lead to better performance.

Synonyms & Antonyms

Root Explanation

Cetane originates from the word 'cetane' (from French 'cétane', derived from Latin 'cetus', meaning whale). It refers to a hydrocarbon compound found in diesel fuel, named for its similarity to the properties of cetaceans (whales).

Memory Tip

Think of 'cetus', which means whale, to remember that 'cetane' is related to a compound found in diesel fuel, reflecting its properties.

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