a prefix used to designate the first element of the same family in the periodic table beyond the one to whose name it is prefixed, as ekaselenium for technetium.
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Origin of eka-
From the Sanskrit word eka one
Words nearby eka-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for eka-
One or first, used especially to name undiscovered elements of the periodic table whose characteristics have been postulated:eka-osmium.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.