16-letter words containing a, d, h, o
- on the breadline — impoverished; living at subsistence level
- on the downgrade — waning in importance, popularity, health, etc
- on the safe side — as a precaution
- on the up and up — to, toward, or in a more elevated position: to climb up to the top of a ladder.
- on the up-and-up — to, toward, or in a more elevated position: to climb up to the top of a ladder.
- one and the same — When two or more people or things are thought to be separate and you say that they are one and the same, you mean that they are in fact one single person or thing.
- one for the road — a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway.
- order of the day — the agenda for an assembly, meeting, group, or organization.
- orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
- orthodox judaism — Judaism as observed by Orthodox Jews.
- orthodoxy sunday — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
- orthoformic acid — a hypothetical acid, HC(OH) 3 , known only in the form of its esters.
- overhead railway — elevated railroad.
- padded shoulders — (on a garment) shoulders lined, stuffed, or filled out with soft material, esp in order to give them a higher or wider shape
- pantothenic acid — a hydroxy acid, C 9 H 1 7 O 5 N, found in plant and animal tissues, rice, bran, etc., that is part of the B complex of vitamins and is essential for cell growth.
- paraformaldehyde — a white, crystalline polymer of formaldehyde, (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic.
- patched-together — makeshift; roughly made from disparate elements
- pentothal sodium — thiopental sodium
- phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
- pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
- phase modulation — radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal.
- phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
- phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
- phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
- pinot chardonnay — Chardonnay.
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- play a lone hand — to operate without assistance
- poisoned chalice — If you refer to a job or an opportunity as a poisoned chalice, you mean that it seems to be very attractive but you believe it will lead to failure.
- polyhedral angle — a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration.
- pseudohemophilia — a clotting disorder caused by abnormal factor VIII activity, and characterized by a prolonged bleeding time but without the delayed coagulation time of hemophilia.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- pyramidal orchid — a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
- radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
- radio-phonograph — a radio and phonograph combined in one unit and sharing some components, as the amplifier and speaker(s)
- radiographically — the production of radiographs.
- redbank whiteoak — a city in S Tennessee.
- residential home — a home with social-work supervision for people who need more than just housing accommodation, such as esp the elderly, and also children in care or mentally handicapped adults
- rhabdomyosarcoma — a malignant tumor made up of striated muscle tissue.
- rhode island red — one of an American breed of chickens having dark reddish-brown feathers and producing brown eggs.
- rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- rough-and-tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- round lake beach — a town in NE Illinois.
- roundabout chair — corner chair.
- rule of the road — any of the regulations concerning the safe handling of vessels under way with respect to one another, imposed by a government on ships in its own waters or upon its own ships on the high seas.
- run the blockade — to go past or through a blockade
- russian orthodox — of or relating to the Russian Orthodox Church
- sado-masochistic — Something that is sado-masochistic is connected with the practice of sado-masochism.
- school-age child — a child who is old enough to go to school
- schouten islands — a group of islands belonging to Papua New Guinea, in the Pacific Oceans, off the N coast of New Guinea.