the GNU version of the Collaborative International Dictionary of English
adj. Admitting specification; capable of being specified.
The Century Dictionary and Cyclopedia
That may be specified; capable of being distinctly named or stated.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of being specified
Word Usage
"Stereochemical properties may allow for codons and amino acids to bind in specifiable patterns but this fact alone is causally inadequate to account for the binding we observe within the system enabling gene expression."