10-letter words containing d, a, r, i, o
- paraboloid — a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
- parapodial — of, relating to, or resembling a parapodium
- parapodium — one of the unjointed rudimentary limbs or processes of locomotion of many worms, as annelids.
- parasitoid — an organism that practices parasitoidism.
- pareidolia — the imagined perception of a pattern or meaning where it does not actually exist, as in considering the moon to have human features
- parlormaid — a maid who takes care of a parlor, answers the door, waits on guests, etc.
- parodistic — parodic.
- patio door — Patio doors are glass doors that lead onto a patio.
- patronised — to give (a store, restaurant, hotel, etc.) one's regular patronage; trade with.
- periodical — a magazine or other journal that is issued at regularly recurring intervals.
- peroxidase — any of a class of oxidoreductase enzymes that catalyze the oxidation of a compound by the decomposition of hydrogen peroxide or an organic peroxide.
- peroxyacid — an acid derived from hydrogen peroxide and containing the –O–O– group, as peroxysulfuric acid, H 2 S 2 O 8 .
- pirandello — Luigi [loo-ee-jee] /luˈi dʒi/ (Show IPA), 1867–1936, Italian dramatist, novelist, and poet: Nobel prize 1934.
- plauditory — approving or laudatory
- podiatrist — a person qualified to diagnose and treat foot disorders.
- polyandric — polyandrous.
- predacious — predatory; rapacious.
- predicator — the verbal element of a clause or sentence.
- preholiday — relating to the period before a holiday
- primordial — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- prismatoid — a polyhedron having its vertices lying on two parallel planes.
- pro-indian — Also called American Indian, Amerind, Amerindian, Native American. a member of the aboriginal people of America or of any of the aboriginal North or South American stocks, usually excluding the Eskimos.
- prodigally — wastefully or recklessly extravagant: prodigal expenditure.
- prolicidal — characteristic of prolicide
- proplastid — a plant cell organelle that a plastid develops from
- providable — to make available; furnish: to provide employees with various benefits.
- pyramidion — a miniature pyramid, as at the apex of an obelisk.
- pyranoside — a glycoside containing a pyran ring structure.
- quadricone — a quadric surface swept out by a straight line that passes through a fixed point such that no straight line can intersect it at more than two points
- quadrifoil — Alternative form of quadrifoliate.
- quadriform — having four parts or sides
- quadrilogy — (nonstandard) A tetralogy.
- quadripole — an electric circuit with two input and two output terminals
- quadroxide — (chemistry) A tetroxide.
- quasiorder — (set theory) A preorder.
- radication — the act or process of taking root
- radiciform — resembling a root
- radiculose — having small roots or rhizoids
- radio beam — beam (def 12).
- radio link — radio communication setup
- radio mast — transmission tower
- radio play — a play written for broadcasting on radio
- radio star — a radio source.
- radio taxi — a taxi in two-way radio communication with a dispatcher, who sends it directly to persons who phone in for a taxi.
- radio tube — a vacuum tube used in a radio receiving set.
- radio wave — an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.
- radiogenic — Physics. produced by radioactive decay: radiogenic lead; radiogenic heat.
- radiograph — Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.
- radiolabel — label (def 12).
- radiologic — of or relating to radiology.