Definition

Noun: A type of adhesive derived from the collagen of animal tissues, such as skin, bones, tendons, and hooves, through a process of boiling and hydrolysis. It is a traditional, protein-based glue.

Usage

"Animal glue" is used as a compound noun. It refers specifically to the adhesive substance itself. It is commonly used in woodworking, bookbinding, restoration, and other crafts. * This antique chair was originally assembled using animal glue. * Animal glue must be heated before application. * The conservator prepared a batch of animal glue to repair the parchment.

Advanced Usage

• Technical/Historical Context: In discussions of historical artifacts, conservation techniques, or traditional craftsmanship, "animal glue" specifies the material used, often contrasting with modern synthetic adhesives.
  • The violin maker prefers animal glue for its reversibility and acoustic properties.

Variants and Related Words

• Hide glue: A specific and common type of animal glue made from animal hides. The terms are often used interchangeably.
• Protein glue: A broader technical term that includes animal glues and other adhesives derived from proteins.
• Gelatin: A closely related substance produced by a similar process; while edible gelatin is purified for food, lower grades are used to make animal glue.

Synonyms

• Hide glue
• Protein adhesive

Notes on Different Meanings

The term "animal glue" has a single, specific meaning. It does not refer to glue for animals, but glue from animals. It is always a noun.

Noun

1. a protein gelatin obtained by boiling e.g. skins and hoofs of cattle and horses