Word: Motor Oil
Definition: Motor oil is a type of oil that is used to keep the moving parts of a motor (like in a car or motorcycle) working smoothly. It helps reduce friction, which can cause parts to wear out or get damaged.
Usage Instructions: - Motor oil is essential for vehicles and should be changed regularly to ensure the engine runs well. - When you check the oil level in a vehicle, you can see if it needs more motor oil or if it needs to be changed.
Example Sentence: - "I need to buy motor oil because my car is making a strange noise, and I think it needs an oil change."
Advanced Usage: - In technical discussions, you might hear terms like "viscosity" (how thick or thin the oil is) or "synthetic motor oil," which is a type of oil made from chemical compounds rather than natural sources.
Word Variants: - Motor: Referring to an engine or machinery that moves. - Oil: A slippery liquid that can be from plants, animals, or minerals.
Different Meanings: - While "motor oil" specifically refers to oil for engines, "oil" in general can mean different types of oils, like cooking oil, essential oils, or even crude oil used in fuel.
Synonyms: - Engine oil - Lubricating oil
Idioms and Phrasal Verbs: - There aren't specific idioms or phrasal verbs directly related to "motor oil," but you might hear phrases like "running like a well-oiled machine," which means something operates very smoothly and efficiently, similar to how motor oil helps an engine run well.