13-letter words containing a, r, o, y, s
- microaneurysm — An extremely small aneurysm.
- microcrystals — Plural form of microcrystal.
- micropayments — Plural form of micropayment.
- money matters — issues concerning finances or money, esp your own finances or money
- moneychangers — Plural form of moneychanger.
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- musicotherapy — the treatment of mental disorders with music
- 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.
- 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.
- 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
- nonstationary — Not stationary.
- 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.
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- obstetrically — (medicine) In terms of obstetrics.
- of many parts — having many different abilities
- of many words — talkative
- 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.
- onychophorans — Plural form of onychophoran.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppositionary — the action of opposing, resisting, or combating.
- orchesography — a written study of dancing
- ordinary loss — An ordinary loss is a loss in the course of normal business.
- orgiastically — In an orgiastic fashion.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- overlay glass — case glass.
- overstability — the state of being excessively stable
- overzealously — too zealous: overzealous for reform.
- 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.
- palaeocrystic — consisting of former glacial formation
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- parapophysial — of or relating to a parapophysis
- parapsychosis — an abnormal psychosis
- parasymbiosis — the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
- parasyntheton — a word formed by parasynthesis; for example, kind-hearted
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- perissodactyl — having an uneven number of toes or digits on each foot.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phantasmagory — phantasmagoria.