12-letter words containing s, a, d, o
- monohydrates — Plural form of monohydrate.
- morris dance — a rural folk dance of north English origin, performed in costume traditionally by men who originally represented characters of the Robin Hood legend, especially in May Day festivities.
- mortarboards — Plural form of mortarboard.
- mother's day — a day, usually the second Sunday in May, set aside in honor of mothers.
- motherboards — Plural form of motherboard.
- mountainside — The sloping surface of a mountain.
- mouse around — To explore public portions of a large system, especially a network such as Internet via FTP or TELNET, looking for interesting stuff to snarf.
- mousetrapped — Simple past tense and past participle of mousetrap.
- moustachioed — Alternative spelling of moustachio\u2019d.
- myxedematous — a condition characterized by thickening of the skin, blunting of the senses and intellect, and labored speech, associated with hypothyroidism.
- narcodollars — Usually, narcodollars. money obtained through illegal drug trafficking.
- nasal demons — Recognised shorthand on the Usenet group comp.std.c for any unexpected behaviour of a C compiler on encountering an undefined construct. During a discussion on that group in early 1992, a regular remarked "When the compiler encounters [a given undefined construct] it is legal for it to make demons fly out of your nose" (the implication is that the compiler may choose any arbitrarily bizarre way to interpret the code without violating the ANSI C standard). Someone else followed up with a reference to "nasal demons", which quickly became established.
- nationalised — Simple past tense and past participle of nationalise.
- neofeudalism — A theorized contemporary rebirth of policies of governance, economy and public life reminiscent of those present in many feudal societies.
- newfashioned — Alternative form of new-fashioned.
- newspaperdom — The realm or sphere of newspaper publishing or journalism.
- nitrous acid — an acid, HNO 2 , known only in solution.
- noahide laws — the seven laws given to Noah after the Flood, which decree the establishment of a fair system of justice in society, and prohibit idolatry, blasphemy, murder, adultery and incest, robbery, and the eating of flesh taken from a living animal
- non standard — not standard.
- non-disabled — physically or mentally impaired, injured, or incapacitated.
- non-residual — pertaining to or constituting a residue or remainder; remaining; leftover.
- non-standard — not standard.
- nonadmission — Lack or absence of admission; failure to admit.
- nonbroadcast — not broadcast to a wide audience, supplied on a hidden or private network
- noncustodial — Not having custody of one’s children after a divorce.
- nondualistic — of, relating to, or of the nature of dualism.
- nonhazardous — Not hazardous; safe.
- nonstandards — Plural form of nonstandard.
- nonsteroidal — of or relating to a substance that is not a steroid but has certain similar physiological effects.
- nootka sound — an inlet of the Pacific Ocean, inside Nootka Island on the W coast of Vancouver Island, SW British Columbia, Canada.
- normed space — any vector space on which a norm is defined.
- north island — the northernmost principal island of New Zealand. 44,281 sq. mi. (114,690 sq. km).
- noticeboards — Plural form of noticeboard.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- nucleosidase — any of the class of enzymes that catalyze the hydrolysis of nucleosides.
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- obdurateness — The characteristic of being obdurate; stubbornness.
- octapeptides — Plural form of octapeptide.
- odd-man rush — an attacking move when the defence is outnumbered by the opposing team
- odontoblasts — Plural form of odontoblast.
- odontomatous — relating to an odontoma
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old guardism — political conservatism.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- old slavonic — Old Church Slavonic.
- old-womanish — Sometimes Offensive. having characteristics considered typical of an old woman, as excessive fussiness or timidity.
- oldfashioned — Rare spelling of old-fashioned.
- omnidistance — the distance between an omnirange station and a receiver.
- on shipboard — on board a ship