17-letter words containing a, r, c, t, i
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- wimshurst machine — a device for the production of electric charge by electrostatic induction, consisting of two oppositely rotating glass or mica disks carrying metal strips upon which charges are induced and subsequently removed by contact with metallic combs.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- winding staircase — long set of spiral stairs
- with a difference — If you describe a job or holiday, for example, as a job with a difference or a holiday with a difference, you mean that the job or holiday is very interesting and unusual.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.
- xerox corporation — (company) A US company, founded in 1906, specialising in document related technology and services including photocopiers, printers and office software. Xerox's acquisition of Affiliated Computer Services added business process and document management to their product range. In 2013 they have 140,000 employees. Their research centre, XEROX PARC, prototyped several revolutionary advances in computing, which the company failed to exploit, including the WIMP desktop metaphor and XEROX Network Services.
- your day in court — Your day in court is your chance to give your side of an argument or other matter.
- zygomatic process — any of several bony processes that articulate with the cheekbone.