15-letter words containing h, o, t, d, r
- hyperthyroidism — overactivity of the thyroid gland.
- ichthyodorulite — a spiny plate located on the tail and back of some fish or similar vertebrates
- ichthyodorylite — a fossilised fish-spine
- identity theory — a form of materialism which holds mental states to be identical with certain states of the brain and so to have no separate existence, but regards this identity as contingent so that mentalistic and physicalistic language are not held to be synonymous
- in the doldrums — miserable, depressed
- indian hawthorn — a southern Chinese evergreen shrub, Raphiolepis indica, of the rose family, having shiny, leathery leaves and pinkish-white flowers in loose clusters.
- indicator light — a device for indicating that a motor vehicle is about to turn left or right; blinker
- into the ground — beyond what is requisite or can be endured; to exhaustion
- judeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
- labyrinthodonts — Plural form of labyrinthodont.
- leukodystrophic — Of or pertaining to leukodystrophy.
- longshore drift — beach drift.
- make the rounds — having a flat, circular surface, as a disk.
- medical history — the past background of a person in terms of health
- metamorphosised — Simple past tense and past participle of metamorphosise.
- methyl chloride — a colorless, poisonous gas, CH 3 Cl, used chiefly as a refrigerant, as a local anesthetic, and as a methylating agent in organic synthesis.
- morphine addict — a person who is addicted to the drug morphine
- noncreditworthy — Not creditworthy.
- norethandrolone — An anabolic steroid.
- north highlands — a town in central California, near Sacramento.
- north tonawanda — a city in W New York.
- northeastwardly — Towards the northeast.
- northwestwardly — Towards the northwest.
- odontorhynchous — (of birds) having toothlike ridges inside the beak
- of the order of — having an approximately specified size or quantity
- old father time — time personified
- on (the) record — recorded; publicly or officially declared or known
- on the decrease — decreasing
- on the order of — an authoritative direction or instruction; command; mandate.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- ortho-toluidine — Chemistry. a light-yellow, very slightly water-soluble liquid, C 7 H 9 N, the ortho isomer of toluidine: used in the manufacture of dyes, saccharin, and other organic compounds, and in textile printing processes.
- orthoboric acid — boric acid (def 1). Compare ortho- (def 2).
- orthodontically — from an orthodontic point of view
- orthodox church — the Christian church comprising the local and national Eastern churches that are in communion with the ecumenical patriarch of Constantinople; Byzantine Church.
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- orthopaedically — in an orthopaedic manner
- osteochondritis — inflammation of bone and cartilage.
- osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- oyster toadfish — See under toadfish (def 1).
- passport holder — a person who has a passport
- photodegradable — (of a substance) capable of being broken down by light.
- photoproduction — the light-induced production of a species of molecule such as a radical or ion
- polychlorinated — having multiple chlorine atoms
- posthole digger — a tool or device for digging a posthole.
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.