16-letter words containing p, i, t, u, o
- trapezoidal rule — a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids.
- tridarn cupboard — a Welsh cupboard of the late 17th and 18th centuries, with an open, canopied upper section for display.
- trucking company — a company that transports goods by lorry
- turn upside down — invert
- typhoid bacillus — the bacterium Salmonella typhosa, causing typhoid fever.
- ultramicroscopic — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- underconsumption — the act of consuming, as by use, decay, or destruction.
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- unproportionally — having due proportion; corresponding.
- up-to-the-minute — extending to the present moment, as information, facts, or style: an up-to-the-minute news report.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vapor combustion — Vapor combustion is a closed burn system used for treating liquid waste which contains volatile organic compounds.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- vitruvius pollio — Marcus, flourished 1st century b.c, Roman architect, engineer, and author.
- voice production — the use of the voice in order to create particular effects
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty