Definition

1. Noun:
   • A type of ink for writing: "writing ink" refers to any ink specifically formulated for use with pens to create marks on a surface. It is characterized by its suitability for handwriting.
   • Defined by permanence or washability: The key characteristic is that it is designed to be either permanent or washable, distinguishing it from other inks like printing or drawing inks.

Usage

• "Writing ink" is an uncountable noun. You refer to a quantity of it (e.g., ) or a type of it (e.g., ).
• It is used as a compound noun where "writing" specifies the purpose of the "ink."

Examples

• Noun:
  • She filled her fountain pen with black writing ink.
  • This stain is from washable writing ink, so it should come out in the laundry.
  • The contract must be signed using permanent writing ink.

Advanced Usage

• Historical Context: Historically, "writing ink" often referred to iron gall ink, a permanent ink used for important documents.
• Technical Specification: In formal contexts, "writing ink" can be specified by standards related to its viscosity, drying time, and archival quality.

Variants and Related Words

• Fountain pen ink: A sub-type of writing ink specifically engineered for use in fountain pens to prevent clogging.
• India ink: A permanent, black drawing ink sometimes used for writing with dip pens; it is typically waterproof and opaque.
• Ink cartridge: A sealed container pre-filled with writing ink for use in certain pens.
• Inkwell: A small pot or reservoir for holding writing ink.

Synonyms

• Pen ink: A more general synonym, though it may not always imply the specific permanence/washability characteristic.
• Ink (in context): When the context is clearly about pens and writing, "ink" alone can suffice (e.g., ).

Related Phrases

• Ink blot: A spot or stain caused by spilled writing ink.
• To run out of ink: To have no more writing ink left in a pen.
  • My pen ran out of ink in the middle of the exam.

Noun

1. any permanent or washable ink used with pens