15-letter words containing o, m, n, i, p
- simple equation — linear equation
- simple fraction — a ratio of two integers.
- slumpflationary — of or relating to slumpflation
- smoke pollution — pollution caused by fuels, etc, that produce smoke when burned
- spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- spanish morocco — French Maroc. Spanish Marruecos. a kingdom in NW Africa: formed from a sultanate that was divided into two protectorates (French Morocco and Spanish Morocco) and an international zone. 172,104 sq. mi. (445,749 sq. km). Capital: Rabat. Compare Tangier Zone.
- spelling reform — an attempt to change the spelling of English words to make it conform more closely to pronunciation.
- spermatogenesis — the origin and development of spermatozoa.
- sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
- stamping ground — a habitual or favorite haunt.
- stomping ground — a habitual or favorite haunt.
- suboptimization — a situation which is less than optimal
- superimposition — to impose, place, or set over, above, or on something else.
- supplementation — the act or process of supplementing.
- support mission — assistance given by one military unit to another to assist in the accomplishment of the supported unit's mission.
- supporting film — a film that accompanies the main feature film in a film programme
- supreme council — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- tetrasporangium — a sporangium containing four asexual spores.
- trading company — a company that is owned by the people who have bought shares in that company
- trypanosomiasis — any infection caused by a trypanosome.
- uncompanionable — not companionable or friendly; antisocial
- uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
- uncomplainingly — in an unresentful or resigned manner
- uncomplaisantly — in an uncomplaisant manner
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- uncomprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- uncomprehensive — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- uncompromisable — that cannot or should not be compromised
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- utility company — a company which supplies utilities, such as gas, electricity, phones, etc
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits