10-letter words containing o, s, i
- ecotourist — A participant in ecotourism.
- ecphonesis — the use of an exclamatory phrase, as in “O tempore! O mores!”.
- ectostosis — the ossification of cartilage that begins under the perichondrium and proceeds inward.
- editorials — Plural form of editorial.
- editorship — the office or function of an editor.
- educations — Plural form of education.
- egas moniz — Antonio Caetanio de Abreu Freire. 1874–1955, Portuguese neurologist: shared the Nobel prize for physiology or medicine (1949) with Walter Hess for their development of prefrontal leucotomy
- egoistical — Caring about oneself rather than others.
- egomaniacs — Plural form of egomaniac.
- egosurfing — (Internet) The act of using a search engine to find mentions of one's name on the Internet.
- eicosanoid — (biochemistry) Any of a family of naturally-occurring substances derived from 20-carbon polyunsaturated fatty acids; they include the prostaglandins, thromboxanes, leukotrienes and epoxyeicosatrienoic acids; they function as hormones.
- eiderdowns — Plural form of eiderdown.
- eightscore — one hundred and sixty
- eirenicons — Plural form of eirenicon.
- eisenhower — Dwight David, known as Ike. 1890–1969, US general and Republican statesman; Supreme Commander of the Allied Expeditionary Force (1943–45) and 34th president of the US (1953–61). He commanded Allied forces in Europe and North Africa (1942), directed the invasion of Italy (1943), and was Supreme Commander of the combined land forces of NATO (1950–52)
- eisteddfod — A competitive festival of music and poetry in Wales, in particular the annual National Eisteddfod.
- elevations — Plural form of elevation.
- ellipsoids — Plural form of ellipsoid.
- elocutions — Plural form of elocution.
- emanations — Plural form of emanation.
- embolismal — relating to embolism, being the insertion of one or more days into a calendar
- embolismic — Relating to embolism or intercalation.
- embosoming — Present participle of embosom.
- embroiders — Third-person singular simple present indicative form of embroider.
- emollients — Plural form of emollient.
- emulations — Plural form of emulation.
- emulsioned — Painted with emulsion paint.
- emulsoidal — of or relating to an emulsoid
- en pension — in lodgings with all meals provided
- enantiosis — a figure of speech by which there is an opposite meaning to what is said
- encloister — to imprison or cloister
- encomiasts — Plural form of encomiast.
- encopresis — Involuntary defecation, especially associated with emotional disturbance or psychiatric disorder.
- endodermis — the specialized innermost layer of cortex in roots and some stems, which controls the passage of water and dissolved substances between the cortex and stele
- endomysium — A layer of connective tissue which surrounds individual muscle fibers.
- endorphins — Plural form of endorphin.
- endoscopic — Of, or relating to endoscopy or an endoscope.
- endosmosis — Osmosis in which fluid flows through a membrane towards a region of higher concentration.
- endostosis — (physiology) A process of bone formation in which ossification takes place within the substance of the cartilage.
- endotoxins — Plural form of endotoxin.
- engarrison — to set up as a garrison
- engrossing — Absorbing all one's attention or interest.
- enormities — Plural form of enormity.
- ensconcing — Present participle of ensconce.
- environics — the study of human and natural forces that determine an environment
- envisioned — Simple past tense and past participle of envision.
- eosinophil — A white blood cell containing granules that are readily stained by eosin.
- epibenthos — the animals and plants living on the sea bottom between the low tide level and a depth of 100 fathoms
- epiglottis — A flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.
- epiphanous — showing an epiphany