oil-nut

A farmer harvests oil-nuts from a tall plant.

Definition

1. Noun:
   • A seed from the castor oil plant: "oil-nut" refers to the seed of the castor oil plant (Ricinus communis), which is the source of castor oil. The term is primarily used in botanical or agricultural contexts.

Usage Examples

• Noun:
  • The oil-nut is highly toxic if eaten raw, but its oil is used in medicine and industry. (The seed of the castor oil plant is poisonous when unprocessed.)
  • Farmers harvested the oil-nuts to extract oil for lubricants. (They collected the seeds for industrial oil production.)

Advanced Usage

• "oil-nut" as a compound noun: This term may appear in technical writing about oilseed crops.
  • The oil-nut contains ricin, a dangerous protein. (The castor seed has a toxic substance.)

Variants and Related Words

• Castor bean (n): another common name for the seed of the castor oil plant.

  • The castor bean is also called the oil-nut in some regions. (The same seed has multiple names.)

• Castor oil (n): the oil extracted from the oil-nut.

  • Castor oil is produced by pressing the oil-nut. (The oil comes from the seed.)

Synonyms

• Castor seed: the seed of the castor oil plant.
• Ricinus seed: the botanical name for the seed.

Related Idioms