16-letter words containing r, i, c, e, o, a
- driver education — a course of study, as for high-school students, that teaches the techniques of driving a vehicle, along with basic vehicle maintenance, safety precautions, and traffic regulations and laws.
- dynamic response — The dynamic response of a machine, structure, or process is how it reacts over time to something that is done to it.
- easter communion — the act of receiving communion in church on Easter Day - considered special because of the primacy of Easter among Christian festivals and because many people regard taking Easter communion as a basic token of membership of their church
- echocardiographs — Plural form of echocardiograph.
- echocardiography — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- economic embargo — a legal stoppage of commerce, usually taken by one nation or group of nations to harm the economy of another nation or group, often to force a political change
- economic migrant — person: seeks work abroad
- ectoparasiticide — Any pesticide designed to kill parasites that live on the exterior of a host.
- educational park — a group of elementary and high schools, usually clustered in a parklike setting and having certain facilities shared by all grades, that often accommodates students from a large area.
- electrical power — electricity
- 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
- electrohydraulic — Relating to electrohydraulics.
- 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
- electromigration — (physics) the transport of small particles under the influence of an electric charge.
- electronic flash — Photography
- electronic organ — an electrophonic instrument played by means of a keyboard, in which sounds are produced and amplified by any of various electronic or electrical means
- electrotherapist — One who administers electrotherapy.
- embarkation card — an official document that allows travellers to leave a country by boarding a ship or plane
- encephalographic — Relating to, or employing encephalography.
- 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
- entente cordiale — a friendly understanding between political powers: less formal than an alliance
- episcopal church — an autonomous branch of the Anglican Communion in Scotland and the US
- ethnocentrically — In an ethnocentric way.
- ethnographically — Regarding the ethnography (of a region).
- european council — an executive body of the European Union, made up of the President of the European Commission and representatives of the member states, including the foreign and other ministers. The Council acts at the request of the Commission
- evacuation route — An evacuation route is a way to get out of a building if there is an emergency, such as a fire.
- exclamation mark — (character) The character "!" with ASCII code 33. Common names: bang; pling; excl (/eks'kl/); shriek; ITU-T: exclamation mark, exclamation point (US). Rare: factorial; exclam; smash; cuss; boing; yell; wow; hey; wham; eureka; soldier; INTERCAL: spark-spot. The Commonwealth Hackish, "pling", is common among Acorn Archimedes owners. Bang is more common in the USA. The occasional CMU usage, "shriek", is also used by APL fans and mathematicians, especially category theorists. Exclamation mark is used in C and elsewhere as the logical negation operation (NOT).
- exotic shorthair — a short-haired variety of domestic cat with a stocky body, developed through crossing Persian cats with American shorthairs
- extrinsic factor — vitamin B12
- face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
- family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
- feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
- ferdinand marcos — Ferdinand E(dralin) [ed-ruh-lin] /ˈɛd rə lɪn/ (Show IPA), 1917–1989, Philippine political leader: president 1965–86.
- ferrocyanic acid — a white, crystalline, unstable, water-soluble solid, H 4 Fe(CN) 6 , obtained by the interaction of a ferrocyanide and an acid.
- fertility factor — a sex-determining chromosome or gene.
- feulgen reaction — a reaction in which an aldehyde combines with a modified Schiff's reagent to produce a purplish compound: used especially to test for the presence of DNA
- fibonacci number — a number in the Fibonacci sequence, each of which is the sum of the previous two
- fibonacci series — a sequence of integers in which each integer (Fibonacci number) after the second is the sum of the two preceding integers; specif., the series 1, 1, 2, 3, 5, 8, 13, . . .
- finance director — financial manager
- flame cultivator — an implement that kills weeds by scorching them with a directed flow of flaming gas.
- florencio varela — a city in E Argentina, near Buenos Aires.
- floridean starch — the storage polysaccharide of red algae.
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- food intolerance — an intolerance of a specific type of food, causing an adverse reaction
- forced vibration — Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.