bottle-brush

bottle-brush

A gardener uses a bottle-brush to clean a tall glass vase.

Definition
  1. Noun:
    • A brush for cleaning bottles: "bottle-brush" refers to a narrow brush with bristles attached to a central wire or handle, designed to reach inside bottles, flasks, or other narrow containers for cleaning purposes.
    • A type of plant: In botany, "bottle-brush" can also refer to any shrub or tree of the genus Callistemon, native to Australia, known for its cylindrical, brush-like flower spikes that resemble a bottle-cleaning brush.
Usage Examples
  • Cleaning tool:

    • She used a bottle-brush to scrub the inside of the milk bottle. (A brush specifically for cleaning narrow containers.)
    • The laboratory technician cleaned the test tubes with a bottle-brush. (A brush designed for narrow glassware.)
  • Plant:

    • The garden features a beautiful red bottle-brush in full bloom. (A shrub with flower spikes resembling a bottle-cleaning brush.)
    • Bottle-brush plants are popular in Australian landscaping for their vibrant flowers. (A genus of flowering plants, Callistemon.)
Advanced Usage
  • "bottle-brush tree": a common name for Callistemon species.

    • The bottle-brush tree attracts many birds and insects with its nectar-rich flowers. (A tree or shrub with cylindrical flower spikes.)
  • "bottle-brush bristles": the stiff fibers or wires on the brush used for scrubbing.

    • The bottle-brush bristles were worn out after months of heavy use. (The cleaning fibers of the brush.)
Variants and Related Words
  • Bottle-brush (adj): used to describe something resembling the shape or texture of a bottle brush.

    • The cactus had a bottle-brush appearance, with many thin spines. (Having a cylindrical, bristly form.)
  • Bottle-brush flower: the inflorescence of Callistemon plants.

    • The bottle-brush flower is actually a cluster of many small individual flowers. (The cylindrical flower spike.)
Synonyms
  • Test-tube brush: a specific type of bottle-brush used for cleaning laboratory glassware.
  • Flower spike: a general term for a cylindrical cluster of flowers, applicable to bottle-brush plants.
Related Idioms