15-letter words containing o, y, a, m
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.
- systematization — to arrange in or according to a system; reduce to a system; make systematic.
- tammany society — a benevolent society founded in 1789, which later became Tammany Hall, the central organization of the Democratic Party in New York county
- tantalus monkey — a long-tailed African monkey, Cercopithecus tantalus (or C. aethiops tantalus), of central African grasslands, having a long face framed by upswept whiskers.
- thank you ma'am — a bump or depression in a road that jars a person riding over it.
- thank-you-ma'am — a bump or depression in a road that jars a person riding over it.
- the holy family — the infant Jesus, Mary, and St Joseph
- the smart money — If you say that the smart money is on a particular person or thing, you mean that people who know a lot about it think that this person will be successful, or this thing will happen.
- theatre company — an organization that produces theatrical performances
- theory of games — game theory.
- thermogeography — the study of the geographical variation and distribution of temperature.
- to part company — If two or more people part company, they go in different directions after going in the same direction together.
- tocodynamometer — tokodynamometer.
- tokodynamometer — a pressure gauge strapped to the mother's abdomen during labor to measure uterine contractions.
- trading company — a company that is owned by the people who have bought shares in that company
- trypanosomiasis — any infection caused by a trypanosome.
- tutorial system — a system of education, especially in some colleges, in which instruction is given personally by tutors, who also act as general advisers of a small group of students in their charge.
- ultramicroscopy — the use of the ultramicroscope.
- umbrella policy — An umbrella policy is a policy that provides excess limits and gives additional excess coverage over the normal limits and coverage of liability policies.
- uncomplainingly — in an unresentful or resigned manner
- uncomplaisantly — in an uncomplaisant manner
- uncomplementary — forming a complement; completing.
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- unidiomatically — in a way that is not idiomatic
- uninformatively — in an uninformative manner
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- upwardly mobile — See under vertical mobility (def 1).
- utility company — a company which supplies utilities, such as gas, electricity, phones, etc
- utility program — system software used to perform standard operations, as sorting data or copying data from one file to another, for application programs or other system software.
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- x-ray astronomy — the branch of astronomy that studies celestial objects by means of the x-rays emitted by them.
- yellow mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.
- yosemite valley — a glacial valley in Yosemite National Park in central California, in the Sierra Nevada Mountains. It has an altitude of about 1200 m (4000 ft), with sheer walls rising about another 1200 m (4000 ft).