13-letter words containing s, o, y, a
- monosyllabism — monosyllabic character.
- monosyllables — Plural form of monosyllable.
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- moseley's law — the observed law that the square root of the frequencies of lines in atomic x-ray spectra depends linearly on the atomic number of the emitting atom.
- mount stanley — a mountain in central Africa, between Uganda and the Democratic Republic of Congo: the highest peak of the Ruwenzori range. Height: 5109 m (16 763 ft)
- mountainously — In a mountainous way.
- musicotherapy — the treatment of mental disorders with music
- mycetophagous — That feeds on fungi.
- mycoplasmosis — a disease in animals and humans caused by mycoplasma
- myelinisation — Alt form myelinization.
- myofibroblast — (cytology) A cell that is intermediate between a fibroblast and smooth muscle.
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mystification — to perplex (a person) by playing upon the person's credulity; bewilder purposely.
- mythographies — Plural form of mythography.
- nanochemistry — (chemistry) The synthesis, analysis and characterization of chemical compounds at the nanoscale.
- naples yellow — a yellow pigment, used by artists; lead antimonate
- narcoanalysis — a method of psychological investigation in which the conscious or unconscious unwillingness of a subject to express memories or feelings is diminished by the use of a barbiturate drug.
- narcohypnosis — the use of drugs to induce hypnosis
- nasopharynges — Plural form of nasopharynx.
- non-customary — according to or depending on custom; usual; habitual.
- non-sedentary — accustomed to sit or rest a great deal or to take little exercise.
- non-signatory — having signed, or joined in signing, a document: the signatory powers to a treaty.
- nonhysterical — not hysterical or funny
- noninvasively — In a noninvasive manner.
- nonsensically — (of words or language) having little or no meaning; making little or no sense: A baby's babbling is appealingly nonsensical.
- nonsensuality — The state or condition of being nonsensual.
- nonstationary — Not stationary.
- nonsystematic — Not systematic.
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- northeasterly — of or located in the northeast.
- norway spruce — a European spruce, Picea abies, having shiny, dark-green needles, grown as an ornamental.
- nosogeography — the study of the geographical causes and distribution of diseases.
- nosologically — In terms of nosology.
- nostalgically — experiencing or exhibiting nostalgia, a sentimental or wistful yearning for the happiness felt in a former place, time, or situation.
- numismatology — Numismatics.
- nymphaeaceous — belonging to the Nymphaeaceae, the water lily family of plants.
- nymphomaniacs — Plural form of nymphomaniac.
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- obsessionally — In an obsessional manner.
- obstetrically — (medicine) In terms of obstetrics.
- occasionality — the condition or character of being infrequent or intended for a specific occasion, or that which is infrequent or intended for a specific occasion
- occassionally — Misspelling of occasionally.
- octosyllables — Plural form of octosyllable.
- of many parts — having many different abilities
- of many words — talkative
- olympic games — international sports event
- omoplatoscopy — Divination by use of a shoulder blade.
- on a suddenty — suddenly, unexpectedly
- on your marks — On your marks in British English, or on your mark in American English, is a command given to runners at the beginning of a race in order to get them into the correct position to start.
- onanistically — In an onanistic manner.