specifiable - v.tr.
(-ies, -ied)
1 (also absol.) name or mention expressly (specified the type he needed).
2 (usu. foll. by that + clause) name as a condition (specified that he must be paid at once).
3 include in specifications (a French window was not specified).

specifiable adj. specifier n. [ME f. OF specifier or LL specificare (as SPECIFIC)]