13-letter words containing d, r, u, i, c
- undirectional — of, relating to, or indicating direction in space.
- undiscernable — capable of being discerned; distinguishable.
- undiscernedly — in an undiscerned manner
- undiscernible — capable of being discerned; distinguishable.
- undiscouraged — to deprive of courage, hope, or confidence; dishearten; dispirit.
- undistracting — not distracting; not showy or ostentatious
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- unelectrified — not powered by electricity
- unexperienced — wise or skillful in a particular field through experience: an experienced teacher.
- unperceivedly — without being perceived; so as not to be perceived
- unpredictable — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpreoccupied — not preoccupied
- unscrutinized — to examine in detail with careful or critical attention.
- unsecularized — to make secular; separate from religious or spiritual connection or influences; make worldly or unspiritual; imbue with secularism.
- uridylic acid — nucleotide consisting of uracil, ribose, and a phosphate group. It is a constituent of RNA
- vacuum drying — the removal of liquid from a solution or mixture at reduced air pressure so that it dries at a lower temperature than would be required at full pressure.
- versicoloured — of variable or various colours
- widow's cruse — an inexhaustible supply of something: in allusion to the miracle of the cruse of oil in I Kings 17:10–16 and II Kings 4:1–7.
- wine-coloured — of a dark red colour, sometimes with a purplish tinge
- 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.