9-letter words containing r, d, o
- dunbarton — former county of W Scotland
- dungeoner — a thing which or a jailer who confines in, or as if in, a dungeon
- duobinary — denoting a communications system for coding digital data in which three data bands are used, 0, +1, –1
- duodenary — duodecimal.
- durations — Plural form of duration.
- durometer — a device for measuring the hardness of materials, especially metals.
- dustproof — impervious to or free of dust.
- duststorm — Phenomenon in which gale- to hurricane-force winds blow particles up in a planet's atmosphere.
- dynamotor — an electrical machine having a single magnetic field and two independent armature windings of which one acts as a motor and the other a generator: used to convert direct current from a battery into alternating current
- dynorphin — (biochemistry) Any of a class of opioid peptides that arise from the precursor protein prodynorphin.
- dysphoria — a state of dissatisfaction, anxiety, restlessness, or fidgeting.
- dysphoric — a state of dissatisfaction, anxiety, restlessness, or fidgeting.
- dystrophy — Medicine/Medical. faulty or inadequate nutrition or development.
- ealdorman — alderman.
- ealdormen — Plural form of ealdorman.
- ear drops — Ear drops are medicine that you put directly in your ears one drop at a time.
- earlywood — the light-coloured wood made by a tree in the spring that shows up in the yearly growth ring
- earth-god — a god of fertility and vegetation.
- earwormed — a tune or part of a song that repeats in one’s mind.
- eavesdrop — to listen secretly to a private conversation.
- echiuroid — any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium.
- echo word — a word that is echoic (sense 2), or onomatopoeic
- ecohazard — any substance or activity that poses a threat to a habitat or an environment: Off-the-road motorcycling is an ecohazard to fragile desert habitats.
- ecuadoran — a republic in NW South America. 109,483 sq. mi. (283,561 sq. km). Capital: Quito.
- edgeworth — Maria, 1767–1849, English novelist.
- editorial — an article in a newspaper or other periodical or on a website presenting the opinion of the publisher, writer, or editor.
- educators — Plural form of educator.
- educatory — educative.
- eiderdown — Small, soft feathers from the breast of the female eider duck.
- eidograph — a type of pantograph that was invented by the Scottish mathematician William Wallace in 1821 and which was more accurate than other pantographs
- el dorado — a fabled city in South America, rich in treasure and sought by Spanish explorers in the 16th century
- elderwort — Danewort.
- electrode — A conductor through which electricity enters or leaves an object, substance, or region.
- embargoed — Simple past tense and past participle of embargo.
- embowered — Simple past tense and past participle of embower.
- embroider — Decorate (cloth) by sewing patterns on it with thread.
- embroiled — Simple past tense and past participle of embroil.
- embrowned — Simple past tense and past participle of embrown.
- emendator — One who emends or critically edits.
- empowered — (US) Having been given the power to make choices relevant to one's situation.
- enamorado — a beloved one; lover
- enamoured — Alternative spelling of enamored.
- end organ — the expanded end of a peripheral motor or sensory nerve
- endeavors — Try hard to do or achieve something.
- endeavour — Standard spelling of endeavor.
- endocarps — Plural form of endocarp.
- endocrine — Of, relating to, or denoting glands that secrete hormones or other products directly into the blood.
- endoderms — Plural form of endoderm.
- endoergic — (physics, and, chemistry) Occurring with the absorption of energy; endothermic.
- endomorph — A person with a soft round body build and a high proportion of fat tissue.