10-letter words containing a, p, o, r
- drop black — carbon, as animal black or lampblack, formed into pellets by mixing with water or glue: used as a black pigment.
- drop cable — Wiring between a computer and its Ethernet transceiver. Maximum length if full-spec is 47m.
- drop table — a tabletop hinged to a wall, held in a horizontal position by a bracket while in use.
- drop valve — a valve, as for a steam engine, that drops freely to close.
- drop-panel — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
- drosophila — a fly of the genus Drosophila, especially D. melanogaster, used in laboratory studies of genetics and development.
- drupaceous — resembling or relating to a drupe; consisting of drupes.
- duplicator — a machine for making duplicates, as a mimeograph.
- dysmorphia — Deformity or abnormality in the shape or size of a specified part of the body.
- dystrophia — Medicine/Medical. faulty or inadequate nutrition or development.
- e-passport — a passport with an embedded microchip carrying information about the holder
- eavesdrops — Plural form of eavesdrop.
- echography — a device that records oceanic depths by means of sonic waves.
- echopraxia — the abnormal repetition of the actions of another person.
- ectoprocta — the phylum Bryozoa, especially as distinguished from the phylum Entoprocta by a body plan having the anus of the polyp outside the crown of tentacles.
- emmetropia — The condition of perfect vision, where images are correctly brought to a focus on the retina.
- emplastron — a plaster containing a balm or medication
- en rapport — in sympathy, harmony, or accord
- endopleura — the internal coating of a seed
- enoxaparin — A heparin of low molecular weight used to prevent and treat deep vein thrombosis or pulmonary embolism.
- epistolary — Relating to or denoting the writing of letters or literary works in the form of letters.
- ergophobia — An irrational fear of work.
- eruptional — relating to volcanic eruption
- eupatorium — (botany) Any of the genus Eupatorium of perennial herbs.
- euphorbias — Plural form of euphorbia.
- euphoriant — A drug which produces feelings of euphoria.
- europhilia — The love of Europe, Europeans, or European culture.
- europhobia — dislike for or hostility to Europe, Europeans, or the European Union
- evaporable — Capable of evaporation.
- evaporated — Simple past tense and past participle of evaporate.
- evaporates — Turn from liquid into vapor.
- evaporator — A piece of equipment used to evaporate the solvent from a solution.
- evaporites — Plural form of evaporite.
- evaporitic — Of or pertaining to an evaporite.
- expiration — The ending of the fixed period for which a contract is valid.
- expiratory — Of or relating to the exhalation of air from the lungs.
- explicator — A person or thing who explicates.
- explorable — Capable of being explored.
- exportable — Able to be exported.
- exprobrate — (dated) To reproach or upbraid.
- expurgator — One who expurgates.
- extemporal — (archaic) Extemporaneous.
- extirpator — Someone or something that extirpates.
- factorship — The business of a factor.
- fetiparous — (of a marsupial) bearing young before they are fully developed.
- flagperson — A gender-neutral term for someone who uses a flag, especially as a form of signalling.
- flameproof — resisting the effect of flames; not readily ignited or burned by flames.
- flapdragon — an old game in which the players snatch raisins, plums, etc., out of burning brandy, and eat them.
- fleahopper — either of two varieties of small, jumping insects which feed on crops and garden plants. The two main varieties are the garden fleahopper Halticus bractatus and the cotton fleahopper Pseudatomoscelis seriatus
- floor lamp — a tall lamp designed to stand on the floor.