9-letter words containing a, d, o, p
- diatropic — the tendency of some plant organs to take a transverse position to the line of action of an outside stimulus.
- diazotype — a print produced by the diazo process.
- dioptrate — (of a compound eye) divided by a transverse line
- diplomacy — the conduct by government officials of negotiations and other relations between nations.
- diplomaed — a document given by an educational institution conferring a degree on a person or certifying that the person has satisfactorily completed a course of study.
- diplomata — Plural form of diploma.
- diplomate — a person who has received a diploma, especially a doctor, engineer, etc., who has been certified as a specialist by a board within the appropriate profession.
- diplomats — Plural form of diplomat.
- dish soap — a detergent added to dishwater in order to clean dishes
- disposals — Plural form of disposal.
- disproval — The act of disproving; disproof.
- dna probe — a technique for identifying a segment of DNA, using a known sequence of nucleotide bases from a DNA strand to detect a complementary sequence in the sample by means of base pairing.
- docu-soap — a television documentary series in which the lives of the people filmed are presented as entertainment or drama
- docusoaps — Plural form of docusoap.
- dog-cheap — very inexpensive.
- dognapped — Simple past tense and past participle of dognap.
- dognapper — Agent noun of dognap; one who dognaps.
- doom palm — an African fan palm, Hyphaene thebaica, bearing an edible, gingerbread-flavored fruit.
- doorplate — a small identification plate on the outside door of a house or room, bearing the occupant's name, the apartment or house number, or the like.
- dopeheads — Plural form of dopehead.
- doum palm — doom palm.
- downplays — Third-person singular simple present indicative form of downplay.
- draw upon — use as source or resource
- drop arch — a pointed arch having radii of length less than the span.
- drop away — become fewer
- drop back — a lowering, as of prices or standards, especially to a previous level: Auto manufacturers requested a dropback in emissions standards.
- drop bear — a mythical creature said to live in the outback; it resembles an oversized koala with sharp teeth and drops from trees to devour unwary passers-by
- drop dead — inspiring awe, astonishment, or envy: a drop-dead guest list; a drop-dead sable coat.
- drop goal — In rugby, a drop goal is a goal that a player scores by dropping the ball and kicking it between the posts.
- drop leaf — a hinged leaf attached to the end or side of a table that can be raised to extend the tabletop or folded vertically downward when not in use.
- drop pass — (in hockey and soccer) a pass in which a player in control of the ball or puck simply leaves it to be picked up by a trailing teammate and continues past it to draw off the defense.
- drop seat — a hinged seat, as in a taxicab or bus, that may be pulled down for use when an additional seat is needed.
- drop tank — an external aircraft tank, usually containing fuel, that can be detached and dropped in flight
- drop-dead — inspiring awe, astonishment, or envy: a drop-dead guest list; a drop-dead sable coat.
- droppable — Capable of being dropped (especially by an aircraft).
- dropsical — of, like, or affected with dropsy.
- duplation — multiplication by two; doubling.
- dysphonia — any disturbance of normal vocal function.
- dysphoria — a state of dissatisfaction, anxiety, restlessness, or fidgeting.
- dyspnoeal — Pertaining to, or of the nature of dyspnoea; in connexion with dyspnoea.
- dystopian — a society characterized by human misery, as squalor, oppression, disease, and overcrowding.
- dystopias — Plural form of dystopia.
- ear drops — Ear drops are medicine that you put directly in your ears one drop at a time.
- eavesdrop — to listen secretly to a private conversation.
- eidograph — a type of pantograph that was invented by the Scottish mathematician William Wallace in 1821 and which was more accurate than other pantographs
- endocarps — Plural form of endocarp.
- endophagy — cannibalism within the same group or tribe
- endoplasm — The more fluid, granular inner layer of the cytoplasm in ameboid cells.
- episodial — Episodic.
- escaloped — Cut or marked in the form of an escalop; scalloped.