12-letter words containing r, h, o, d, a
- non-hydrated — chemically combined with water in its molecular form.
- nonadherence — the quality of adhering; steady devotion, support, allegiance, or attachment: adherence to a party; rigid adherence to rules.
- nonhazardous — Not hazardous; safe.
- noordholland — North Holland
- north dakota — a state in the N central United States. 70,665 sq. mi. (183,020 sq. km). Capital: Bismarck. Abbreviation: ND (for use with zip code), N. Dak.
- north island — the northernmost principal island of New Zealand. 44,281 sq. mi. (114,690 sq. km).
- octahedrally — in an octahedral manner
- odd-man rush — an attacking move when the defence is outnumbered by the opposing team
- odontography — a treatise regarding the teeth
- odontophoran — a member of the family Odontophora
- on shipboard — on board a ship
- on the cards — likely
- onward march — the continuing, advancing or improving movement (of situation, etc)
- open-hearted — unreserved, candid, or frank: open-hearted advice.
- orchard bush — open savanna country with occasional trees and scrub, as found north of the W African forest belt
- orchestrated — Simple past tense and past participle of orchestrate.
- orchidaceous — belonging to the plant family Orchidaceae.
- orchidomania — an obsession with or passion for orchids
- ormond beach — a town in NE Florida.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthovanadic — relating to orthovanadates
- overachieved — Simple past tense and past participle of overachieve.
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- paedomorphic — showing signs of paedomorphism
- parahydrogen — the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions.
- parasphenoid — a bone next to the sphenoid bone in the skull of some animals
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- photo spread — a picture spread. See under spread (def 33).
- place-holder — Mathematics, Logic. a symbol in an expression that may be replaced by the name of any element of the set.
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- pointed arch — an arch having a pointed apex.
- procathedral — a church used temporarily as a cathedral.
- proudhearted — full of pride.
- pseudamphora — a Mycenaean vase having a spherical body, a spout on the shoulder, and a handle, curving across the top, supported by a solid conical neck.
- pseudography — writing that does not follow conventional spelling or usage
- push forward — keep advancing
- pyritohedral — of or relating to a pyritohedron
- quadraphonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
- quadriphonic — quadraphonic.
- quadrophonic — Alternative spelling of quadraphonic.
- radiographer — X-ray technician
- radiophonist — a person who produces radiophonic music
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- radiothorium — a disintegration product of thorium.
- ratchet down — If something ratchets down or is ratcheted down, it decreases by a fixed amount or degree, and seems unlikely to increase again.
- read-through — reading (def 1).
- red goatfish — a goatfish, Mullus auratus.
- rhabdosphere — a minute sphere made up of rhabdoliths