hand-operated
Definition
- Adjective:
- Operated by hand: Describes a device, machine, or tool that is powered or controlled by human hand movement, rather than by electricity, an engine, or an automatic system.
Usage
- The adjective "hand-operated" is used to modify nouns, typically coming before the noun it describes (e.g., a hand-operated pump). It describes the method of operation.
- It is often used in technical, mechanical, or practical contexts to distinguish manual tools from powered ones.
Examples
- Adjective:
- The museum displayed a collection of hand-operated printing presses from the 19th century.
- For safety, the emergency brake is a hand-operated lever.
- In remote areas without electricity, farmers often rely on hand-operated water pumps.
Advanced Usage
- "to be hand-operated": Used in a predicate adjective structure.
- This valve is hand-operated and requires no external power source.
Variants and Related Words
- Manual (adj): Often used synonymously with "hand-operated" to describe non-automatic control or operation. (e.g., ).
- Crank-operated (adj): A specific type of hand-operated device that uses a crank.
- Hand-cranked (adj): Similar to crank-operated, emphasizing the turning action.
Synonyms
- Manual: Operated or controlled by hand.
- Non-automatic: Not operating by itself; requiring human intervention.
- Hand-powered: Powered by human hand force.
Antonyms
- Automatic: Operating by itself with little or no direct human control.
- Motorized: Equipped with or driven by a motor.
- Electric: Powered by electricity.
- Power-operated: Operated by a source of power other than human force.
Adjective
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operated by hand
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