15-letter words containing a, e, n, o, l
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unknowledgeable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- unleaded petrol — petrol containing a reduced amount of tetraethyl lead
- unobjectionable — causing or tending to cause an objection, disapproval, or protest.
- unobjectionably — without objection
- unpronounceable — to enunciate or articulate (sounds, words, sentences, etc.).
- unrecommendable — not able to be recommended, supported, or endorsed
- unrevolutionary — not revolutionary, progressive, or radical
- unskilled labor — work that requires practically no training or experience for its adequate or competent performance.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upper arlington — a city in central Ohio, near Columbus.
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- variable region — a configuration in the upper branches of the Y of an antibody molecule, unique in each antibody type, that binds with the determinant of a specific antigen.
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- velcro fastener — a fastener made of Velcro
- venetian school — any of various groups of artists identified with Venice throughout the history of Italian art but most notably the painters of the 18th century, as Giovanni Battista Tiepolo, Francesco Guardi, and Antonio Canaletto.
- vice chancellor — a substitute, deputy, or subordinate chancellor.
- vice-chancellor — a substitute, deputy, or subordinate chancellor.
- victor emmanuel — 1869–1947, king of Italy 1900–46.
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- viral infection — disease caused by a virus
- völkerwanderung — the migration of peoples, esp of Germanic and Slavic peoples into S and W Europe from 2nd to 11th centuries
- volunteer state — Tennessee (used as a nickname).
- walking wounded — casualties, as of a military conflict, who are wounded but ambulatory.
- water pollution — the pollution of the sea and rivers
- weather balloon — sounding balloon.
- wentworth scale — a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than 1⁄256 mm) to boulders (over 256 mm)
- west carrollton — a town in W Ohio.
- whalebone whale — any whale of the suborder Mysticeti, having plates of whalebone on the sides of the upper jaw for filtering plankton from the water.
- wheelchairbound — Confined to a wheelchair.
- wilderness road — a 300-mile (500-km) route from eastern Virginia through the Cumberland Gap into Kentucky, explored by Daniel Boone in 1769 and marked as a trail by him and other pioneers in 1775: a major route for early settlers moving west.
- wind-pollinated — being pollinated by airborne pollen.
- window cleaning — the task of washing and shining windows
- winter holidays — a period of rest from work or studies taken in winter
- wolverine state — Michigan (used as a nickname).
- wreathed column — a column having a twisted or spiral form.
- wrongful arrest — the act of arresting someone without proper reason
- xenotransplants — Plural form of xenotransplant.
- 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.
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.