13-letter words containing a, f, i, g
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unfascinating — of great interest or attraction; enchanting; charming; captivating: a fascinating story; fascinating jewelry.
- uniflagellate — having only one flagellum.
- unsignificant — important; of consequence.
- warping frame — a wooden frame containing evenly spaced pegs on which the warp is wound in preparation for weaving.
- 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.
- wedding feast — a meal served to celebrate a wedding
- wife swapping — sexual activity in which two or more married couples exchange partners.
- winding frame — a machine on which yarn or thread is wound.
- zip fastening — a fastener in the form of a zip