17-letter words containing p, r, o, g, a
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- spring cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
- steamboat springs — a town in NW Colorado: ski resort.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- stereophotography — photography producing stereoscopic images.
- superregeneration — regeneration in which a signal is alternately amplified and quenched at a frequency slightly above the audible range to achieve high sensitivity with a single tube.
- taiping rebellion — a movement of religious mysticism and agrarian unrest in China between 1850 and 1864 which weakened the Manchu dynasty but was eventually suppressed with foreign aid
- take in good part — to respond to (teasing) with good humour
- topological group — a set that is a group and a topological space and for which the group operation and the map of an element to its inverse are continuous functions.
- travelling people — Gypsies or other itinerant people: a term used esp by such people of themselves
- trick photography — photography that creates an illusion
- turbosupercharger — (formerly) a turbocharger.
- unipalm group plc — (company) A company floated in March 1994.
- weeping lovegrass — any grass of the genus Eragrostis, as E. curvula (weeping lovegrass) and E. trichodes (sand lovegrass) cultivated as forage and ground cover.
- well-photographed — a picture produced by photography.
- youth programming — the creation and scheduling of television programmes specifically aimed at young people
- zonal pelargonium — a pelargonium whose leaves are marked with concentric circles of a different colour to the rest of the leaf
- zoogeographically — In a zoogeographical way.
- zygomatic process — any of several bony processes that articulate with the cheekbone.