13-letter words containing s, a, t, y
- multisyllabic — polysyllabic.
- multisyllable — polysyllable.
- musicotherapy — the treatment of mental disorders with music
- mycetophagous — That feeds on fungi.
- myelin sheath — a wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles and other effectors.
- 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.
- myristic acid — an oily, white crystalline compound, C 1 4 H 2 8 O 2 , insoluble in water, soluble in alcohol and ether: used in soaps, cosmetics, and in the synthesis of esters for flavors and perfumes.
- 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.
- navy register — (in the US) an annual publication giving genealogical information about the commissioned and warrant officers in the US Navy.
- nearsightedly — In a nearsighted manner; as if nearsighted; myopically.
- nightmarishly — In a nightmarish manner.
- 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
- 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.
- nostalgically — experiencing or exhibiting nostalgia, a sentimental or wistful yearning for the happiness felt in a former place, time, or situation.
- numismatology — Numismatics.
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- 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
- octosyllables — Plural form of octosyllable.
- of many parts — having many different abilities
- omoplatoscopy — Divination by use of a shoulder blade.
- on a suddenty — suddenly, unexpectedly
- onanistically — In an onanistic manner.
- onomastically — In an onomastic way.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppositionary — the action of opposing, resisting, or combating.
- orgiastically — In an orgiastic fashion.
- out one's way — in, to, or near one's neighborhood
- outstandingly — prominent; conspicuous; striking: an outstanding example of courage.
- overstability — the state of being excessively stable
- oystercatcher — any of several long-billed wading birds of the genus Haematopus that have chiefly black-and-white plumage and that feed on oysters, clams, mussels, etc.
- painstakingly — taking or characterized by taking pains or trouble; expending or showing diligent care and effort; careful: a painstaking craftsman; painstaking research.
- palaeocrystic — consisting of former glacial formation
- parasexuality — parasexual behaviour
- parasitically — of, relating to, or characteristic of parasites.
- parasynthesis — the formation of a word by the addition of a derivational suffix to a phrase or compound, as of greathearted, which is great heart plus -ed.
- parasynthetic — the formation of a word by the addition of a derivational suffix to a phrase or compound, as of greathearted, which is great heart plus -ed.
- parasyntheton — a word formed by parasynthesis; for example, kind-hearted