17-letter words containing a, m, i, t, o
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- uncle tom's cabin — an antislavery novel (1852) by Harriet Beecher Stowe.
- uncompassionately — having or showing compassion: a compassionate person; a compassionate letter.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- uniformitarianism — supporting, conforming to, or derived from a theory or doctrine about uniformity, especially on the subject of geology.
- urogenital system — the urinary tract and reproductive organs
- utmost good faith — a principle used in insurance contracts, legally obliging all parties to reveal to the others any information that might influence the others' decision to enter into the contract
- utopian socialism — (sometimes initial capital letter) an economic system based on the premise that if capital voluntarily surrendered its ownership of the means of production to the state or the workers, unemployment and poverty would be abolished.
- vacuum aspiration — menstrual extraction.
- vacuum extraction — applying suction to a baby's head during birth to help it emerge
- variable-geometry — denoting an aircraft in which the wings are hinged to give the variable aspect ratio colloquially known as a swing-wing
- vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.
- village community — an early form of community organization in which land belonged to the village, the arable land being allotted to the members or households of the community by more or less permanent arrangements and the waste or excess land remaining undivided.
- vitamin b complex — an important group of water-soluble vitamins containing vitamin B 1 , vitamin B 2 , etc.
- waianae mountains — a mountain range in W Oahu, Hawaii. Highest peak, Mount Kaala, 4025 feet (1228 meters).
- wallowa mountains — a mountain range in NE Oregon. Highest peak, Sacajawea Peak, 9838 feet (2999 meters).
- wardrobe mistress — a woman in charge of keeping theatrical costumes cleaned, pressed, and in wearable condition.
- welsh nationalism — the political belief that Wales should be independent
- white-nationalism — white supremacy.
- withdrawal method — a method of contraception in which the man withdraws his penis from the woman's vagina before ejaculation
- wrangell-mountain — Mount, an active volcano in SE Alaska, in the Wrangell Mountains. 14,006 feet (4269 meters).
- x image extension — (XIE) Extensions to the X protocol to handle images.
- x-ray examination — an examination of part of the body, using an X-ray machine
- yesterday morning — during the morning of the day preceding today
- yield the palm to — to acknowledge the superiority of; admit to defeat by
- yield to maturity — The yield to maturity of a bond is the rate of return on the bond if it is held to its maturity date.
- youth programming — the creation and scheduling of television programmes specifically aimed at young people
- zygomatic process — any of several bony processes that articulate with the cheekbone.