Definition of Basal

1. 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. "Radical leaves"

Exact synonyms: Radical
Category relationships: Botany, Phytology
Derivative terms: Base
Antonyms: Cauline

2. Adjective. Serving as or forming a base. "The painter applied a base coat followed by two finishing coats"
Exact synonyms: Base
Similar to: Basic
Derivative terms: Base

3. Adjective. Of primary importance.
Exact synonyms: Primary
Similar to: Essential
Derivative terms: Base

Definition of Basal

1. a. Relating to, or forming, the base.

Definition of Basal

1. Adjective. Relating to, or forming, the base, or point of origin. ¹

2. Adjective. (chiefly systematics) In a phylogenetic tree, being a group, or member of a group, which diverged earlier. ¹

3. Noun. (anatomy) Any basal structure or part ¹

¹ Source:

Definition of Basal

1. pertaining to the foundation [adj] : BASALLY [adv]

Medical Definition of Basal

1. Pertaining to or situated near a base. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Basal Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Basal Images

Lexicographical Neighbors of Basal

bas bleu
bas mitzvah
bas relief
bas reliefs
basal (current term)
basal age
basal anaesthesia
basal annulus
basal area
basal bodies
basal body
basal body temperature
basal body temperature method
basal body temperature method of family planning
basal bone
basal bristle
basal cell adenoma

Literary usage of Basal

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Medical Clinics of North America by Michael C. Fiore, Stephen S. Entman, Charles B. Rush (1922)
"found quite regularly in patients with hypopituitarism. Under nutrition may likewise be a factor in causation of a low basal metabolism, ..."

2. Encyclopaedia Britannica, a Dictionary of Arts, Sciences, Literature and edited by Hugh Chisholm (1910)
"Rostrum fret', not supported by cither the prosternum or the basal segments of the appendages. Appendages of 1st pair large, ..."

3. Flora of the Rocky Mountains and Adjacent Plains, Colorado, Utah, Wyoming by Per Axel Rydberg (1917)
"Plant densely tomentose; basal leaves short-petioled; petioles scarcely exceeding ... Blades of the basal leaves obovate or spatulate. Blades of the basal ..."

4. An Illustrated Flora of the Northern United States: Canada and the British by Nathaniel Lord Britton, Addison Brown (1898)
"Stem leaves and often also the basal, pinnatifid; western. 7. 5. ... basal leaves obovate or suborbicular, crenate or dentate; long. Heads few or several, ..."

5. Transactions of the American Entomological Society. by American Entomological Society (1891)
"The characters separating them may be tabulated in the following manner: Thorax with two distinct linear basal impressions, the hasal marginal line entire; ..."

6. Plant-geography Upon a Physiological Basis by Andreas Franz Wilhelm Schimper (1903)
"Xerophilous character of its basal region. Temperate rainforest in its montane region. ... Xerophilous character of the basal region in Central Mexico. ..."

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