of, at, or forming the base.
forming a basis; fundamental; basic.
- indicating a standard low level of activity of an organism, as during total rest.
- of an amount required to maintain this level.
Medicine/Medical. serving to induce a preliminary or light anesthesia prior to total anesthetization.
Origin of basal
Related formsba·sal·ly, adverbpre·ba·sal, adjective
First recorded in 1820–30; base1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for basal
Historical Examples of basal
British Dictionary definitions for basal
Derived Formsbasally, adverb
at, of, or constituting a base
of or constituting a foundation or basis; fundamental; essential
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for basal
"relating to a base," 1828, from base (n.) + -al (1).
Online Etymology Dictionary, © 2010 Douglas Harper
Of, relating to, located at, or forming a base, usually of an organ or a tooth.
Of, relating to, of situated at the lowest level, as of an organ.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.