grain cleaner

grain cleaner

A farmer uses a grain cleaner to separate wheat from chaff.

Definition
  1. Noun:
    • Agricultural machine: A "grain cleaner" is a machine used in agriculture to separate impurities (such as dust, chaff, stones, or broken kernels) from harvested grain, improving its quality for storage or processing.
    • Device for sorting: It can also refer to any device or system (manual or mechanical) designed to clean or sort grain by size, weight, or density.
Usage Examples
  • Noun:
    • The farmer used a grain cleaner to remove chaff from the wheat before storing it. (The machine separated unwanted plant material from the grain.)
    • Modern grain cleaners often use screens and air blasts to sift out debris. (The device employs physical methods to clean grain.)
Advanced Usage

  • "Rotary grain cleaner": a type of grain cleaner that uses a rotating drum with screens to separate impurities.

    • The rotary grain cleaner efficiently removes small stones from the rice. (The rotating mechanism filters out heavy debris.)

  • "Gravity grain cleaner": a grain cleaner that relies on differences in weight to separate grain from lighter impurities.

    • A gravity grain cleaner is ideal for removing lightweight chaff. (The device uses air flow and weight differences.)
Variants and Related Words

  • Grain (n): the small, hard seeds of cereal plants like wheat, rice, or corn.

    • The grain was stored in silos after cleaning. (The seeds were stored.)

  • Cleaner (n): a person or thing that cleans.

    • The cleaner removed dust from the machine. (A person or device that cleans.)
Synonyms
  • Winnower: a machine that separates grain from chaff by blowing air.
  • Grader: a device that sorts grain by size or quality.
  • Purifier: a machine that removes impurities from grain.
Phrasal Verbs
  • Clean out: to remove all impurities or unwanted material from grain using a grain cleaner.
    • The operator cleaned out the wheat using the grain cleaner before milling. (Removed all debris from the grain.)
Related Idioms
  • Separate the wheat from the chaff: to distinguish valuable items from worthless ones (figuratively used, but literally related to grain cleaning).
    • After using the grain cleaner, the farmer could separate the wheat from the chaff. (The machine made the literal separation possible.)