16-letter words containing r, e, t, o, u
- transconductance — the ratio of a small change in anode current of an electron tube at a certain level of output to the corresponding small change of control-electrode voltage, usually expressed in mhos or micromhos.
- transport number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- trapezoidal rule — a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids.
- tread under foot — to oppress
- treaty of verdun — an agreement reached in 843 ad by three grandsons of Charlemagne, dividing his empire into an E kingdom (later Germany), a W kingdom (later France), and a middle kingdom (containing what became the Low Countries, Lorraine, Burgundy, and N Italy)
- turn upside down — invert
- twenty-four-hour — lasting for twenty-four hours
- twin-carburettor — (of an engine) having two carburettors
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- uncollateralized — lacking or needing no collateral: uncollateralized loans.
- uncontradictable — to assert the contrary or opposite of; deny directly and categorically.
- unconversational — of, relating to, or characteristic of conversation: a conversational tone of voice.
- under one's belt — a band of flexible material, as leather or cord, for encircling the waist.
- under the plough — If an area of land is under the plough, it is used for growing crops. If land is brought or put under the plough, it is ploughed for the first time and is then used for growing crops.
- under-employment — employed at a job that does not fully use one's skills or abilities.
- under-modulation — to reproduce (a sound or signal) at below the optimal output level in a recording or broadcasting system, causing it to be distorted.
- undercompensated — to compensate or pay less than is fair, customary, or expected.
- underconsumption — the act of consuming, as by use, decay, or destruction.
- undernourishment — If someone is suffering from undernourishment, they have poor health because they are not eating enough food or are eating the wrong kind of food.
- underutilization — to fail to utilize fully: to underutilize natural resources.
- unenforceability — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- universalization — to make universal.
- unmarried mother — a woman who has a baby while she is not married
- up to one's ears — the organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, a middle ear in which the vibrations resonate against the tympanic membrane, and a fluid-filled internal ear that maintains balance and that conducts the tympanic vibrations to the auditory nerve, which transmits them as impulses to the brain.
- upper atmosphere — the portion of the atmosphere above the troposphere.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- ureterolithotomy — incision of a ureter for removal of a calculus.
- utility software — system software that manages and optimizes the performance of hardware
- utilization rate — The utilization rate is the percentage of the total equipment or refinery which is involved in producing something.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- vertebral column — spinal column.
- victorian values — qualities considered to characterize the Victorian period, including enterprise and initiative and the importance of the family
- vocabulary entry — (in dictionaries) a word, phrase, abbreviation, symbol, affix, name, etc., listed with its definition or explanation in alphabetical order or listed for identification after the word from which it is derived or to which it is related.
- voice production — the use of the voice in order to create particular effects
- voluntary helper — a person who aids or assists in a specified function of one's own accord and without compulsion or promise of remuneration
- voluntary muscle — muscle whose action is normally controlled by an individual's will; mainly skeletal muscle, composed of parallel bundles of striated, multinucleate fibers.
- voluntary sector — the part of the economy that consists of non-profit-making organizations, as opposed to the public and private sectors
- voluntary worker — a person who serves or acts in a specified function of their own accord and without compulsion or promise of remuneration
- volunteer bureau — an agency that matches up people wishing to do voluntary work with appropriate voluntary organizations
- walrus moustache — a long thick moustache drooping at the ends
- well-constructed — to build or form by putting together parts; frame; devise.
- well-upholstered — (of a person) fat
- wheel of fortune — wheel (def 9).
- without ceremony — in a casual or informal manner
- without recourse — a qualified endorsement on such a negotiable instrument, by which the endorser protects himself or herself from liability to subsequent holders
- woodland culture — a long pre-Columbian tradition characterized by the corded pottery of a hunting and later agricultural people of the eastern U.S. noted for the construction of burial mounds and other structures and dating from c1000 b.c. to a.d. 1700.
- 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.