12-letter words containing h, e, d, r
- dutch master — one of a number of renowned and influential Dutch painters
- dwarf cherry — any of several low, North American cherries that grow on dry or sandy soil, especially Prunus pumila, of the Great Lakes region.
- dysmenorrhea — painful menstruation.
- earth almond — chufa.
- echinodermal — (zoology) Relating or belonging to the echinoderms.
- echo sounder — a sonar instrument that uses echolocation to measure depths under water.
- edaphosaurus — Any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest.
- edvard munch — Edvard [ed-vahrd] /ˈɛd vɑrd/ (Show IPA), 1863–1944, Norwegian painter and graphic artist.
- eighth grade — the eighth year of school, when students are 12 to 14 years old
- 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.
- enchiridions — Plural form of enchiridion.
- endochondral — occurring, or present, in cartilage
- endomorphism — changes in a cooling body of igneous rock brought about by assimilation of fragments of, or chemical reaction with, the surrounding country rock
- 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
- eric the red — ?940–?1010 ad, Norse navigator: discovered and colonized Greenland; father of Leif Ericson
- 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.
- 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.
- father's day — a day, usually the third Sunday in June, set aside in honor of fathers.
- featherheads — Plural form of featherhead.
- field theory — a detailed mathematical description of the distribution and movement of matter under the influence of one or more fields.
- field-holler — a cry employing falsetto, portamento, and sudden changes of pitch, used in African-American work songs, later integrated into the techniques of the blues
- fifth-grader — a student in the fifth grade of the American education system
- fire hydrant — a hydrant for use in extinguishing fires.
- five hundred — a variety of euchre in which a joker and widow are included, the object being to score 500 points first.
- fixed charge — an expense that cannot be modified.
- flash powder — powder that could be ignited to provide a bright light to take a photograph
- flower child — (especially in the 1960s) a young person, especially a hippie, rejecting conventional society and advocating love, peace, and simple, idealistic values.
- 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.
- foster child — a child raised by someone who is not its natural or adoptive parent.
- four hundred — the exclusive social set of a city or area.
- fourth grade — school year: age 9-10
- free-hearted — light-hearted; spontaneous; frank; generous.