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basal

/ˈbeɪzəl/

/ˈbæzəl/

Other forms: basally

Something that's basal forms the base or the bottom layer of an object. The basal leaves on a plant are connected to the lowest section of its stem.

In medicine, the word basal describes structures that are located at the base of some major organ or other body part. Basal ganglia, for example, are found at the base of the brain in humans, and a basal cell is at the deepest part of the skin. Basal comes from the word base, from the Latin basis, "foundation," via the Greek basis, "step or pedestal."

Definitions of basal
  1. adjective
    serving as or forming a base
    synonyms: base
    basic
    pertaining to or constituting a base or basis
  2. adjective
    especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
    basal placentation”
    synonyms: radical
    see moresee less
    Antonyms:
    cauline
    especially of leaves; growing on a stem especially on the upper part of a stem
  3. adjective
    of primary importance
    synonyms: primary
    essential
    basic and fundamental
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