16-letter words containing y, u, r, i
- user-defined key — a key on the keyboard of a computer that can be used to carry out any of a limited number of predefined actions as selected by the user
- utility software — system software that manages and optimizes the performance of hardware
- variable annuity — an annuity in which the premiums are invested chiefly in common stocks or other securities, the annuitant receiving payments based on the yield of the investments instead of in fixed amounts.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- verbal auxiliary — an auxiliary verb, especially when considered as a member of a separate class of words used with verbs rather than as a special subclass of verbs.
- vinylidene group — the bivalent group C 2 H 2 , derived from ethylene.
- water lily tulip — a showy tulip, Tulipa kaufmanniana, of Turkestan, having spreading, white or pale-yellow flowers with yellow centers streaked with red.
- without ceremony — in a casual or informal manner
- worth your while — If an action or activity is worth someone's while, it will be helpful, useful, or enjoyable for them if they do it, even though it requires some effort.
- yellow underwing — any of several species of noctuid moths (Noctua and Anarta species), the hind wings of which are yellow with a black bar
- zygosporangium's — a sporangium that bears a zygospore.