verb (used with object), spec'd or specked or specced, spec'·ing or speck·ing or spec·cing.
- spearman's rank-order coefficient,
- spec sheet,
- special act
Origin of spec
Word Origin for spec
short for specification, 1956. Related: Specs.
Done on a speculative basis; with no assurance of profit. For example, We didn't design our house; the builder built it on spec. The use of spec as an abbreviation for speculation dates from the late 1700s.
see on spec.