13-letter words containing g, r, i, f
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- waterproofing — Chiefly British. a raincoat or other outer coat impervious to water.
- weightlifters — Plural form of weightlifter.
- winding frame — a machine on which yarn or thread is wound.
- working fluid — a liquid or gaseous working substance.
- working stiff — A working stiff is a person who has an ordinary job that is not well-paid.
- writ of right — English Law. a writ directed to a person who presided over a feudal court, directing him to render justice between his vassals in a dispute as to ownership of land: usually led to a trial in a royal court if feudal ownership was involved.
- yorkshire fog — a common tufted grass, Holcus lanatus, having downy leaves and flower heads that are white or pink and branched, with spikelets carrying the flowers
- zone refining — a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil.