16-letter words containing o, y
- destroyer escort — a lightly armed warship smaller than a destroyer, designed to escort fleets or convoys
- destroying angel — a white slender very poisonous basidiomycetous toadstool, Amanita virosa, having a pronounced volva, frilled, shaggy stalk, and sickly smell
- diacetylmorphine — heroin.
- dichlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing two chlorine atoms.
- dictionary flame — [Usenet] An attempt to sidetrack a debate away from issues by insisting on meanings for key terms that presuppose a desired conclusion or smuggle in an implicit premise. A common tactic of people who prefer argument over definitions to disputes about reality. Compare spelling flame.
- dictionary-maker — a person who compiles a dictionary
- diethyl carbinol — a colorless, liquid isomer of amyl alcohol, (CH3CH2)2CHOH, used in drugs and as a solvent
- diethyltoluamide — a liquid, C 12 H 17 NO, used as an insect repellent and resin solvent.
- dihydroxyacetone — (organic compound) The compound CO(CH2OH)2 that has a number of industrial uses.
- dimethoxymethane — methylal.
- dimethylcarbinol — isopropyl alcohol.
- dimethylglyoxime — (organic compound) The oxime 2,3-butanedione dioxime that is used as a reagent in the analysis of nickel and palladium.
- diphosphorylated — (biochemistry) phosphorylated with two units of phosphoric acid.
- direct democracy — to manage or guide by advice, helpful information, instruction, etc.: He directed the company through a difficult time.
- discographically — In terms of discography.
- 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.
- discriminatorily — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
- disorderly house — a house of prostitution; brothel.
- distributionally — In a distributional manner.
- diverticulectomy — (surgery) The surgical removal of a diverticulum.
- do the necessary — to do something that is necessary in a particular situation
- do-it-yourselfer — an advocate or enthusiast of do-it-yourself
- doctor's surgery — A doctor's surgery is the same as a doctor's office.
- documentary film — factual, informative film
- dodecyl aldehyde — lauric aldehyde.
- dollar diplomacy — a government policy of promoting the business interests of its citizens in other countries.
- domiciliary care — services, such as meals-on-wheels, health visiting, and home help, provided by a welfare agency for people in their own homes
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- double indemnity — a clause in a life-insurance or accident-insurance policy providing for payment of twice the face value of the policy in the event of accidental death.
- double monastery — a religious community of both men and women who live in separate establishments under the same superior and who worship in a common church.
- double occupancy — a type of travel accommodation, as in a hotel, for two persons sharing the same room: The rate is $35 per person, double occupancy, or $65, single occupancy.
- down memory lane — If you say that someone is taking a walk or trip down memory lane, you mean that they are talking, writing, or thinking about something that happened to them a long time ago.
- down one's alley — a passage, as through a continuous row of houses, permitting access from the street to backyards, garages, etc.
- downy woodpecker — a small, North American woodpecker, Picoides pubescens, having black and white plumage.
- dramatic society — an amateur dramatics club
- drugstore cowboy — a young man who loafs around drugstores or on street corners.
- dry distillation — destructive distillation.
- dual nationality — dual citizenship (def 1).
- dual personality — a disorder in which an individual possesses two dissociated personalities.
- dual-nationality — Also called dual nationality. the status of a person who is a legal citizen of two or more countries.
- duplessis-mornay — Philippe [fee-leep] /fiˈlip/ (Show IPA), Mornay, Philippe de.
- dyed-in-the-wool — through and through; complete: a dyed-in-the-wool reformer.
- dynamic response — The dynamic response of a machine, structure, or process is how it reacts over time to something that is done to it.
- dysfunctionality — (uncountable) The condition of being dysfunctional.
- easy on the eyes — good looking, physically attractive
- ebony spleenwort — a fern, Asplenium platyneuron, of woody areas of North America, having ladderlike leaves and shiny, dark brown stems.
- echocardiography — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- economic geology — the branch of geology dealing with the location and exploitation of industrial materials obtained from the earth.
- economy of scale — a fall in average costs resulting from an increase in the scale of production
- electrochemistry — The branch of chemistry that deals with the relations between electrical and chemical phenomena.