botryoidal

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botryoidal

The geologist examined a botryoidal mineral specimen under the lamp.

Definition
  1. Adjective:
    • Resembling a cluster of grapes in form: Having a shape or surface texture that looks like a bunch of grapes, typically characterized by a globular, clustered formation. This term is primarily used in scientific fields like geology and mineralogy to describe certain crystalline or mineral formations.
Usage Examples
  • Adjective:
    • The mineral specimen displayed a beautiful botryoidal surface.
    • Under the microscope, the precipitate had a distinct botryoidal texture.
Advanced Usage
  • "Botryoidal habit": A specific term in mineralogy describing the rounded, grape-like form that some minerals take as they grow.
    • Malachite and hematite are known for their common botryoidal habit.
  • "Botryoidal aggregate": Refers to a mass of crystals that have grown together in this clustered, globular form.
    • The cavity was lined with botryoidal aggregates of chalcedony.
Variants and Related Words
  • Botryoid (noun): A single formation or object having a botryoidal shape.
    • The geode contained a perfect botryoid of agate.
  • Botryoidally (adverb): In a botryoidal manner.
    • The silica had deposited botryoidally on the rock surface.
Synonyms
  • Globular: Having the shape of a globe or sphere.
  • Reniform: Kidney-shaped; sometimes used for similar rounded, clustered forms in mineralogy.
  • Mammillary: Having smooth, rounded shapes resembling breasts; a related descriptive term in geology.
Related Terms and Phrases
  • Botryoidal structure: A phrase used to describe the internal or external architecture of a material that exhibits this form.
    • The botryoidal structure of the sample was confirmed by X-ray diffraction.
Notes on Meaning
  • The term is highly specialized and almost exclusively used in scientific contexts, particularly to describe the physical appearance of minerals, rocks, or sometimes biological structures. It is not used in everyday conversation. The reference to "Botswana" in some sources is an error or confusion with a different word.
botryoidal

The geologist examined a botryoidal mineral specimen under the lamp.

Adjective
  1. resembling a cluster of grapes in form

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