13-letter words containing a, c, e, s, o, r
- heterostracan — any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.
- hieracosphinx — (in ancient Egyptian art) a hawk-headed sphinx
- hospital care — medical treatment provided in a hospital
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hypercautious — Especially or unreasonably cautious.
- hypersarcosis — a fleshy outgrowth
- hypsometrical — Of or pertaining to hypsometry.
- iconographies — Plural form of iconography.
- ides of march — 15th March: ominous date
- in-observance — lack of attention; inattention; heedlessness: drowsy inobservance.
- income stream — a flow of money into a business
- inconsiderate — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- inconstruable — unable to be construed
- inconversable — (obsolete) uncommunicative; reserved.
- indoctrinates — Third-person singular simple present indicative form of indoctrinate.
- informercials — Plural form of informercial.
- inspectorates — Plural form of inspectorate.
- interiorscape — An installation of plants decorating the inside of a building.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- intersocietal — noting or pertaining to large social groups, or to their activities, customs, etc.
- isle of capri — Capri.
- isobarometric — isobaric
- isometrically — of, relating to, or having equality of measure.
- joseph crater — Joseph Force [fawrs,, fohrs] /fɔrs,, foʊrs/ (Show IPA), 1889–? a judge of the New York State Supreme Court: his mysterious disappearance on August 6, 1930, has never been solved.
- keratinocytes — Plural form of keratinocyte.
- keratomycosis — Fungal infection of the cornea.
- kraft process — a process for making wood pulp by digesting wood chips in an alkaline liquor consisting chiefly of caustic soda together with sodium sulfate.
- lactoproteins — Plural form of lactoprotein.
- laparoscopies — Plural form of laparoscopy.
- laryngoscopes — Plural form of laryngoscope.
- laser cooling — a technique using laser light to cool atoms to a very low temperature by removing momentum from the particles.
- legal process — court procedure
- lose track of — to fail to follow the passage, course, or progress of
- lowerclassman — underclassman.
- lowerclassmen — underclassman.
- macro-segment — a stretch of speech preceded and followed but not interrupted by a pause.
- macrocephalus — Alternative spelling of macrocephalous.
- macroclimates — Plural form of macroclimate.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- maltese cross — a cross having four equal arms that expand in width outward.
- manufactories — Plural form of manufactory.
- marchionesses — Plural form of marchioness.
- market forces — factors driving the economy
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- masticatories — Plural form of masticatory.
- meat products — foods that consist of or contain meat
- megasporocyte — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
- melanochroous — having dark-coloured or black skin