13-letter words containing r, i, d, o
- without demur — If you do something without demur, you do it immediately and without making any protest.
- woolly indris — a related nocturnal Madagascan animal, Avahi laniger, with thick grey-brown fur and a long tail
- word painting — an effective verbal description.
- word wrapping — In computing, word wrapping is a process by which a word which comes at the end of a line is automatically moved onto a new line in order to keep the text within the margins.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts
- wordsworthian — William, 1770–1850, English poet: poet laureate 1843–50.
- working fluid — a liquid or gaseous working substance.
- working order — the condition of a mechanism when it is functioning properly: a stove in working order.
- world service — a service of the British Broadcasting Corporation which transmits programmes in many languages around the world
- world war iii — a hypothetical world war of the future, often conceived as a nuclear war resulting in the total destruction of the human race.
- world-shaking — of sufficient size or importance to affect the entire world: the world-shaking effects of an international clash.
- yekaterinodar — a former name of Krasnodar.
- young ireland — a movement or party of Irish patriots in the 1840s who split with Daniel O'Connell because they favoured a more violent policy than that which he promoted
- yourdon, inc. — (company) The company founded in 1974 by Edward Yourdon to provide educational, publishing, and consulting services in state-of-the-art software engineering technology. Over the next 12 years, the company grew to a staff of over 150 people, with offices throughout North America and Europe. As CEO of the company, Yourdon oversaw an operation that trained over 250,000 people around the world; the company was sold in 1986 and eventually became part of CGI, the French software company that is now part of IBM. The publishing division, Yourdon Press (now part of Prentice Hall), has produced over 150 technical computer books on a wide range of software engineering topics; many of these "classics" are used as standard university computer science textbooks.
- yttrium oxide — a white, water-insoluble powder, Y 2 O 3 , used chiefly in incandescent gas and acetylene mantles.
- zero altitude — the height at which the atmospheric pressure is 610.5Pa
- zinc chloride — a white, crystalline, deliquescent, water-soluble, poisonous solid, ZnCl 2 , used chiefly as a wood preservative, as a disinfectant and antiseptic, and in the manufacture of vulcanized fiber, parchment paper, and soldering fluxes.