12-letter words containing a, d, h, r
- elephantbird — Alternative form of elephant bird.
- emerald moth — any of various green geometrid moths, esp the large emerald (Geometra papilionaria) a handsome pale green moth with white wavy markings
- enarthrodial — Relating to an enarthrosis.
- endochondral — occurring, or present, in cartilage
- endotracheal — Situated or occurring within or performed by way of the trachea.
- enfranchised — Simple past tense and past participle of enfranchise.
- ephemeridian — relating to ephemera
- erythroderma — An inflammatory skin disease with erythema and scaling that affects nearly the entire cutaneous surface.
- etherealized — Simple past tense and past participle of etherealize.
- ethical drug — a drug which is only available legally with a doctor's prescription or consent
- exheredation — A disinheriting; disherison.
- fainthearted — lacking courage; cowardly; timorous.
- fairchild f8 — (processor) An 8-bit microprocessor. The processor itself had no address bus - program and data memory access were contained in separate units, which reduced the number of pins and the associated cost. It also featured 64 registers, accessed by the ISAR register in cells (register windows) of eight, which meant external RAM wasn't always needed for small applications. In addition, the 2-chip processor didn't need support chips, unlike others which needed seven or more. The F8 inspired other similar CPUs, such as the Intel 8048. The use of the ISAR register allowed a subroutine to be entered without saving a bunch of registers, speeding execution - the ISAR would just be changed. Special purpose registers were stored in the second cell (regs 9-15), and the first eight registers were accessed directly. The windowing concept was useful, but only the register pointed to by the ISAR could be accessed - to access other registers the ISAR was incremented or decremented through the window.
- falsehearted — Alternative spelling of false-hearted.
- farsightedly — In a farsighted manner.
- farthingdale — (British, dated, 13th-19th C.) A unit of area equal to one quarter of an acre.
- farthingland — a unit of land area, sometimes described as being equivalent to thirty acres
- father's day — a day, usually the third Sunday in June, set aside in honor of fathers.
- featherheads — Plural form of featherhead.
- fifth-grader — a student in the fifth grade of the American education system
- fire hydrant — a hydrant for use in extinguishing fires.
- fixed charge — an expense that cannot be modified.
- flash drying — Flash drying is a stage in a process to make something bigger, in which a paste-like feed is broken up and dried at the same time.
- flash powder — powder that could be ignited to provide a bright light to take a photograph
- flashforward — a device in the narrative of a motion picture, novel, etc., by which a future event or scene is inserted into the chronological structure of the work.
- foolhardiest — Superlative form of foolhardy.
- forced march — any march that is longer than troops are accustomed to and maintained at a faster pace than usual, generally undertaken for a particular objective under emergency conditions.
- foreadmonish — (rare, transitive) To admonish beforehand, or before the act or event.
- foregathered — Simple past tense and past participle of foregather.
- forehandedly — Prudently, with thrift and foresight.
- foreshadowed — Simple past tense and past participle of foreshadow.
- foreshadower — One who or that which foreshadows.
- forked chain — branched chain.
- formaldehyde — a colorless, toxic, potentially carcinogenic, water-soluble gas, CH 2 O, having a suffocating odor, usually derived from methyl alcohol by oxidation: used chiefly in aqueous solution, as a disinfectant and preservative, and in the manufacture of various resins and plastics.
- forward push — A forward push is a feature of distillation columns (= tall vessels for distillation) in which zones that allow higher contact between substances are near the top of the column.
- four-in-hand — a long necktie to be tied in a slipknot with the ends left hanging.
- fourth grade — school year: age 9-10
- free-hearted — light-hearted; spontaneous; frank; generous.
- freight yard — a place on a rail network where freight trains are made up or broken up
- french bread — a yeast-raised bread made of dough containing water and distinguished by its thick, well-browned crust, usually made in long, slender, tapered loaves. Compare baguette (def 3).
- french broad — a river in W North Carolina and E Tennessee, flowing N and NW to join the Holston River at Knoxville to form the Tennessee River. 210 miles (338 km) long.
- french drain — a drainage trench filled to ground level with fragments of brick, rock, etc.
- french india — the five small former French territories in India, including Chandernagor, Karikal, Pondicherry, and Yanaon on the E coast, and Mahé on the W coast.
- french sudan — former name of Mali.
- galahad, sir — Sir Arthurian Romance. the noblest and purest knight of the Round Table, son of Lancelot and Elaine: gained the Holy Grail.
- gizzard shad — a silvery herring, Dorosoma cepedianum, of eastern and central U.S. waters, that has a gizzardlike stomach.
- go hard with — to cause pain or difficulty to (someone)
- goddaughters — Plural form of goddaughter.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- golden share — a share in a company that controls at least 51% of the voting rights, esp one retained by the UK government in some privatization issues