12-letter words containing a, r, h
- earthshaking — imperiling, challenging, or affecting basic beliefs, attitudes, relationships, etc.
- echinodermal — (zoology) Relating or belonging to the echinoderms.
- echo chamber — a room or studio with resonant walls for broadcasting or recording echoes or hollow sound effects.
- echolocators — Plural form of echolocator.
- ectypography — a form of etching or engraving in which the design is produced in relief
- 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
- elasmobranch — A cartilaginous fish of a group that comprises the sharks, rays, and skates.
- electroclash — a type of electronic music, originating in the first decade of the 21st century, that combines modern techno with synthesizer music characteristic of the 1980s
- electrograph — A machine used in gravure printing.
- elephantbird — Alternative form of elephant bird.
- eleutherarch — the chief of the eleutheri
- ellipsograph — an instrument that draws ellipses
- embranchment — A branching forth, as of trees for example.
- emerald moth — any of various green geometrid moths, esp the large emerald (Geometra papilionaria) a handsome pale green moth with white wavy markings
- enantiomorph — Each of two crystalline or other geometric forms that are mirror images of each other.
- enarthrodial — Relating to an enarthrosis.
- encroachment — Intrusion on a person's territory, rights, etc.
- 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.
- enfranchises — Third-person singular simple present indicative form of enfranchise.
- enharmonical — relating to the enharmonic scale
- enthrallment — The act of enthralling or the state of being enthralled.
- epanorthosis — (rhetoric) A rhetorical device or element in which a speaker or writer retracts a word that has been spoken and substitutes a stronger or more suitable word; often done for emphasis or sarcasm.
- ephemerality — (uncountable) The state or condition of being ephemeral; transience.
- ephemeridian — relating to ephemera
- epigraphical — Epigraphic.
- epirrhematic — relating to epirrhema
- eratosthenes — ?276–?194 bc, Greek mathematician and astronomer, who calculated the circumference of the earth by observing the angle of the sun's rays at different places
- erev shabbat — the day before the Sabbath, i.e. Friday
- erythematous — Of or pertaining to erythema.
- erythroblast — An immature erythrocyte containing a nucleus.
- erythroderma — An inflammatory skin disease with erythema and scaling that affects nearly the entire cutaneous surface.
- erythropenia — A decrease in the number of erythrocytes, associated with anemia.
- etherealized — Simple past tense and past participle of etherealize.
- etherealizes — Third-person singular simple present indicative form of etherealize.
- etherealness — The state or quality of being ethereal.
- etherization — (surgery) anaesthetization using ether.
- etheromaniac — a person who is addicted to ether
- ethical drug — a drug which is only available legally with a doctor's prescription or consent
- ethnographer — One who practices ethnography.
- ethnographic — Relating to ethnography.
- euphorically — In a euphoric manner.
- eutrophicate — (ecology, intransitive) To become eutrophic.
- evaporograph — an instrument which measures and records the rate of evaporation of water into the atmosphere
- everchanging — Which changes frequently and, presumably, will continue to do so forever.
- examinership — the office or function of an examiner
- exheredation — A disinheriting; disherison.