16-letter words containing o, r, e, c, t, i
- direction finder — a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves.
- direction number — the component of a vector along a given line; any number proportional to the direction cosines of a given line.
- director general — the executive head of an organization or of a major subdivision, as a branch or agency, of government.
- director's chair — a lightweight folding armchair with transversely crossed legs and having a canvas seat and back panel, as traditionally used by motion-picture directors.
- director-general — the executive head of an organization or of a major subdivision, as a branch or agency, of government.
- disaccreditation — to take away the accreditation or authorization of: to disaccredit a diplomat.
- disconcertedness — The characteristic of being disconcerted.
- discourteousness — The state or quality of being discourteous.
- discovery method — a largely unstructured, situational method or philosophy of teaching whereby students are permitted to find solutions to problems on their own or at their own pace, often jointly in group activities, either independent of or under the guidance of a teacher.
- diversifications — Plural form of diversification.
- diverticulectomy — (surgery) The surgical removal of a diverticulum.
- documentary film — factual, informative film
- dolce far niente — pleasing inactivity.
- domestic partner — either member of an unmarried, cohabiting, and especially homosexual couple that seeks benefits usually available only to spouses.
- domestic prelate — an honorary distinction conferred by the Holy See upon clergy, entitling them to some of the privileges of a bishop.
- domestic servant — person employed to do household chores
- domestic service — the work of household servants
- dominical letter — any one of the letters from A to G used in church calendars to mark the Sundays throughout any particular year, serving primarily to aid in determining the date of Easter.
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- double centering — a method of extending a survey line by taking the average of two foresights, one with the telescope direct and one with it inverted, made each time by transiting the telescope after a backsight.
- drag coefficient — a measure of the drag of an object in a moving fluid, esp air
- dramatic society — an amateur dramatics club
- 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.
- 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
- 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
- electrochemistry — The branch of chemistry that deals with the relations between electrical and chemical phenomena.
- electrodeposited — Deposited by electrodeposition.
- 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 music — music: synthesized
- 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
- electrophilicity — (chemistry, uncountable) the condition of being electrophilic.
- electroreception — The detection by an aquatic animal of electric fields or currents.
- electrostriction — the change in dimensions of a dielectric occurring as an elastic strain when an electric field is applied
- electrosynthesis — synthesis produced by means of an electric current
- electrotherapist — One who administers electrotherapy.
- embarkation card — an official document that allows travellers to leave a country by boarding a ship or plane
- 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
- endocrinologists — Plural form of endocrinologist.