15-letter words containing d, o, g, f, i
- lift-drag ratio — the ratio of the lift to the drag of an airfoil.
- longshore drift — beach drift.
- lord high fixer — [Primarily British, from Gilbert & Sullivan's "Lord High Executioner"] The person in an organisation who knows the most about some aspect of a system. See wizard.
- office building — building containing offices
- on a knife-edge — To be on a knife-edge means to be in a situation in which nobody knows what is going to happen next, or in which one thing is just as likely to happen as another.
- self-diagnostic — the diagnosis of one's own malady or illness.
- sigmoid flexure — Zoology. an S -shaped curve in a body part.
- sleight of hand — skill in feats requiring quick and clever movements of the hands, especially for entertainment or deception, as jugglery, card or coin magic, etc.; legerdemain.
- soft-boiled egg — boiled egg with runny yolk
- stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
- straightforward — going or directed straight ahead: a straightforward gaze.
- the-city-of-god — Latin De Civitate Dei. a work in 22 books (a.d. 413–26) by St. Augustine of Hippo, expounding an early Christian view of society and history.
- trading profits — profits made from the buying and selling of goods and services