16-letter words containing r, s, a
- eastern orthodox — of or relating to the Orthodox Church.
- eastern whipbird — an Australian whipbird, Psophodes olivaceus
- echocardiographs — Plural form of echocardiograph.
- eclipsing binary — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
- ectoparasiticide — Any pesticide designed to kill parasites that live on the exterior of a host.
- edsel ford range — a mountain range in Antarctica, E of the Ross Sea.
- elburz mountains — a mountain range in N Iran, parallel to the SW and S shores of the Caspian Sea. Highest peak: Mount Demavend, 5671 m (18 606 ft)
- electrical storm — thunder, lightning
- electroacoustics — a branch of acoustics that deals with the conversion of sound into electricity and vice versa, as in a microphone or a speaker
- electrolytic gas — a mixture of two parts of hydrogen and one part of oxygen by volume, formed by the electrolysis of water
- electromagnetics — Electricity and magnetism, collectively, as a field of study.
- electromagnetism — The interaction of electric currents or fields and magnetic fields.
- electromechanics — the engineering aspects of devices that are controlled by either static or magnetic electric charges
- electromyographs — Plural form of electromyograph.
- electronic flash — Photography
- electrotherapist — One who administers electrotherapy.
- ellesmere island — a Canadian island in the Arctic Ocean: part of Nunavut; mountainous, with many glaciers. Area: 212 688 sq km (82 119 sq miles)
- endarterectomies — Plural form of endarterectomy.
- endocranial cast — a cast made of the inside of a cranial cavity to show the size and shape of the brain: used esp in anthropology
- engineer's chain — a unit of length equal to 100 feet
- english heritage — an organization, partly funded by government aid, that looks after ancient monuments and historic buildings in England
- environmentalism — A political and social ideology that seeks to prevent the environment from degradation by human activity.
- environmentalist — A person who is concerned with or advocates the protection of the environment.
- episcopal church — an autonomous branch of the Anglican Communion in Scotland and the US
- erlenmeyer flask — conical container used in laboratory
- erythroblastosis — A medical condition in which erythroblasts are abnormally found in the blood.
- escalator clause — a clause in a contract stipulating an adjustment in wages, prices, etc, in the event of specified changes in conditions, such as a large rise in the cost of living or price of raw materials
- ethernet address — (networking) (Or "MAC address") The physical address identifying an individual Ethernet controller board. An Ethernet addess is a 48-bit number aabbccddeeff where a-f are hexadecimal digits. The first 24 bits, aabbcc, identify the manufacturer of the controller. The Ethernet address is hard-wired on some controllers, stored in a ROM on some, and others allow it to be changed from software. It is usually written as six hexadecimal numbers, e.g. 08:00:20:03:72:DC. See also ARP, Internet address.
- ethinylestradiol — A derivative of 17\u03b2-estradiol, the major endogenous estrogen in humans, used in oral contraceptives.
- exotic shorthair — a short-haired variety of domestic cat with a stocky body, developed through crossing Persian cats with American shorthairs
- experimentations — Plural form of experimentation.
- expert appraisal — a valuation of property or goods by an expert
- extemporaneously — In an extemporaneous manner; without prior preparation or planning.
- extension ladder — a ladder that can be made longer by pulling out an extra section
- external affairs — (formerly) the Canadian federal Foreign Affairs department
- external storage — storage, as on disk or tape, supplemental to and slower than main storage, not under the direct control of the CPU and generally contained outside it: Secondary storage for this system is contained on videodisk.
- external student — a student studying a university subject extramurally
- extrachromosomal — Happening outside a chromosome.
- extradimensional — (jargon, science fiction) Originating outside the known physical reality of the universe.
- extraterrestrial — Of or from outside the earth or its atmosphere.
- extrinsic factor — vitamin B12
- factor of safety — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
- fahrenheit scale — Gabriel Daniel [German gah-bree-el dah-nee-el] /German ˈgɑ briˌɛl ˈdɑ niˌɛl/ (Show IPA), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.
- faintheartedness — The quality or state of being fainthearted.
- fairview heights — a city in SW Illinois.
- false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
- false dragonhead — a North American plant, Physostegia virginiana, of the mint family, having a spike of tubular, two-lipped, pink or white flowers.
- family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
- fancy dress ball — a ball at which the guests wear fancy dress
- farewell address — (initial capital letters) U.S. History. a statement that President George Washington published in a Philadelphia newspaper in 1796 to announce that he would not run for a third term and to give his views on foreign and domestic policy.