13-letter words containing r, y, s
- musicotherapy — the treatment of mental disorders with music
- myelofibrosis — the replacement of bone marrow by fibrous tissue, characteristic of leukemia and certain other diseases.
- 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.
- myrmecophiles — Plural form of myrmecophile.
- mystery story — a mystery story is a story in which strange things happen that are not explained until the end
- mythographies — Plural form of mythography.
- nanochemistry — (chemistry) The synthesis, analysis and characterization of chemical compounds at the nanoscale.
- 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.
- 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.
- neuromyelitis — (pathology) inflammation of both the spinal cord and nerves.
- neurosyphilis — Syphilis that involves the central nervous system.
- never say die — to cease to live; undergo the complete and permanent cessation of all vital functions; become dead.
- new jerseyite — of New Jersey
- nightmarishly — In a nightmarish manner.
- no entry sign — a sign, esp a traffic sign, that prohibits entry into a place
- 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.
- noncompulsory — Not compulsory.
- nondescriptly — in a nondescript manner
- nonhysterical — not hysterical or funny
- nonstationary — Not stationary.
- nonuniversity — distinct from university, not university-based
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- north by west — a point on the compass 11°15′ west of north. Abbreviation: NbW.
- northeasterly — of or located in the northeast.
- northwesterly — Situated in, or pointing to, the northwest.
- 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.
- nursery nurse — A nursery nurse is a person who has been trained to look after very young children.
- nursery rhyme — a short, simple poem or song for very young children, as Hickory Dickory Dock.
- nurseryperson — A nurseryman or nurserywoman.
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- obstetrically — (medicine) In terms of obstetrics.
- obstructively — In an obstructive manner.
- odoriferously — In an odoriferous manner.
- of many parts — having many different abilities
- of many words — talkative
- omnipresently — In an omnipresent manner.
- 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.
- on your terms — If you do something on your terms, you do it under conditions that you decide because you are in a position of power.
- onychophorans — Plural form of onychophoran.
- onychorrhexis — (pathology) fingernail and toenail brittleness and breakage, such as may be due to excessive strong soap and water exposure, nail polish remover, hypothyroidism, anemia, anorexia nervosa or bulimia, or after oral retinoid therapy.
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- opisthography — the practice of writing on the front and back of a parchment or papyrus