13-letter words containing o, p, y
- myrmecophiles — Plural form of myrmecophile.
- mythographies — Plural form of mythography.
- naples yellow — a yellow pigment, used by artists; lead antimonate
- narcohypnosis — the use of drugs to induce hypnosis
- nasopharynges — Plural form of nasopharynx.
- needle biopsy — the removal of a small amount of tissue or cellular material with a long hollow surgical needle, performed for diagnostic purposes.
- neuroatypical — Having an atypical neurological configuration.
- neurosyphilis — Syphilis that involves the central nervous system.
- nincompoopery — a fool or simpleton.
- non-complying — failure or refusal to comply, as with a law, regulation, or term of a contract.
- non-repayable — to pay back or refund, as money.
- noncompulsory — Not compulsory.
- nondescriptly — in a nondescript manner
- nonemployment — Unemployment.
- normally-open — Normally-open switch contacts are in an open state at rest.
- nortriptyline — a tricyclic antidepressant drug, C 1 9 H 2 1 N, used to treat depression.
- 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.
- not your type — If you say that someone is not your type, you mean that they are not the sort of person who you usually find attractive.
- notary public — a public officer or other person authorized to authenticate contracts, acknowledge deeds, take affidavits, protest bills of exchange, take depositions, etc.
- nurseryperson — A nurseryman or nurserywoman.
- nymphaeaceous — belonging to the Nymphaeaceae, the water lily family of plants.
- nymphomaniacs — Plural form of nymphomaniac.
- oak-apple day — (in Britain) May 29, the anniversary of the Restoration (1660), formerly commemorated by the wearing of oak apples or oak leaves, recalling the Boscobel oak in which Charles II hid after the battle of Worcester
- of many parts — having many different abilities
- olympic games — international sports event
- omnipresently — In an omnipresent manner.
- omoplatoscopy — Divination by use of a shoulder blade.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- onychophorans — Plural form of onychophoran.
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- openheartedly — Alt form open-heartedly.
- openmouthedly — in a manner filled with amazement and wonder
- opera company — a company that puts on productions of operas
- operationally — able to function or be used; functional: How soon will the new factory be operational?
- ophthalmology — the branch of medical science dealing with the anatomy, functions, and diseases of the eye.
- opinionatedly — In an opinionated manner.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppositionary — the action of opposing, resisting, or combating.
- opprobriously — In an opprobrious manner.
- orchesography — a written study of dancing
- organotherapy — the branch of therapeutics that deals with the use of remedies prepared from the organs of animals, as from the thyroid gland, the pancreas, or the suprarenal bodies.
- oropharyngeal — the part of the pharynx between the soft palate and the upper edge of the epiglottis.
- orthoepically — In terms of correct pronunciation.
- orthopyroxene — a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene
- 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.
- osteophytosis — Lb medicine The presence of osteophytes.
- ovoviviparity — producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.
- palaeobiology — the study of fossil plants and animals
- palaeocrystic — consisting of former glacial formation