18-letter words containing f, a, b, c
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- put a bold face on — to seem bold or confident about
- rabbit-foot clover — a plant, Trifolium arvense, having trifoliate leaves with narrow leaflets and fuzzy, cylindrical, grayish-pink flower heads.
- rabbit-proof fence — a fence through which rabbits are unable to pass
- schofield barracks — a town on central Oahu, in central Hawaii.
- scottish blackface — a common breed of hardy mountain sheep having horns and a black face, kept chiefly on the mainland of Scotland
- significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
- software backplane — (programming, tool) A CASE framework from Atherton.
- specrate_base_fp92 — (benchmark) A variant of SPECrate_fp92 that reports "baseline" results, using stricter run rules.
- sub-classification — to arrange in subclasses.
- sub-saharan africa — the region of Africa to the south of the Sahara desert
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- the back of beyond — a very remote place
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- wingback formation — single wingback formation.