Alar

/'eilə/
Học thuật
Thân thiện
Definition

  1. Adjective:

    • Having or resembling wings: Describes something that possesses wings or has a wing-like shape or structure.
    • Of or relating to the axil: In botany, pertaining to the axil, which is the angle between the upper side of a leaf or stem and the supporting stem or branch.

  2. Noun:

    • A chemical sprayed on fruit trees to regulate their growth: A plant growth regulator used in agriculture to synchronize fruit development so that an entire crop ripens and can be harvested simultaneously.
Examples of Usage

  • Adjective:

    • The fossil showed clear alar extensions, suggesting it could glide.
    • Botanists studied the alar buds located at the base of the leaf petiole.

  • Noun:

    • The orchard manager applied alar to the apple trees to ensure a uniform harvest.
Advanced Usage
  • In specialized contexts: The adjectival form is primarily used in scientific descriptions (e.g., zoology, botany, anatomy). The noun form is specific to horticulture and agriculture.
    • The alar ligaments in human anatomy help stabilize the cervical spine. (Here, 'alar' describes a wing-like anatomical structure.)
Variants and Related Words
  • Alary (adj): A synonym meaning 'wing-shaped' or 'of or relating to wings'.
    • The plant has an alary stipule.
Synonyms
  • Adjective (winged): Winglike, pterygoid.
  • Adjective (axillary): Axillar.
  • Noun (growth regulator): Daminozide (the specific chemical name for 'Alar').
Notes on Different Meanings
  • The two adjectival meanings ("winged" and "relating to the axil") are distinct but both are technical/scientific.
  • The noun meaning refers specifically to a synthetic chemical product, once widely used but controversial. It is often capitalized (Alar) when referring to the brand-name product.
Adjective
  1. having or resembling wings
  2. of or relating to the axil
Noun
  1. a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time

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