12-letter words containing e, c, h, i
- halotrichite — a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers.
- hammer price — the price offered as the winning bid in a public auction
- hamming code — (algorithm) Extra, redundant bits added to stored or transmitted data for the purposes of error detection and correction. Named after the mathematician Richard Hamming, Hamming codes greatly improve the reliability of data, e.g. from distant space probes, where it is impractical, because of the long transmission delay, to correct errors by requesting retransmission.
- handicapable — (politically correct) disabled or handicapped.
- handicappeds — Plural form of handicapped.
- handicappers — Plural form of handicapper.
- handicrafter — One who engages in handicrafts.
- handkerchief — a small piece of linen, silk, or other fabric, usually square, and used especially for wiping one's nose, eyes, face, etc., or for decorative purposes.
- handstitched — Stitched by hand.
- hard science — any of the natural or physical sciences, as chemistry, biology, physics, or astronomy, in which aspects of the universe are investigated by means of hypotheses and experiments.
- haricot bean — Haricot beans are small white beans that are eaten as a vegetable. They are often sold dried rather than fresh.
- haricot vert — green bean.
- harvest tick — chigger (def 1).
- hash cookies — biscuits containing cannabis
- headkerchief — A kerchief worn on the head.
- heart urchin — an echinoderm of the order Spatangoida, having an elongate, somewhat heart-shaped outer covering.
- hebephreniac — a person suffering from hebephrenia
- hectic fever — a fever associated with tuberculosis
- hedge garlic — an erect, cruciferous herb, Sisymbrium officinale, having a garlicky odor.
- hegemonistic — the policy or practice of hegemony to serve national interests.
- helical gear — a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner.
- helical rack — a rack having teeth set at an oblique angle to the edges. Compare rack1 (def 5).
- helical scan — denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix
- helichrysums — Plural form of helichrysum.
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- helicoptered — Simple past tense and past participle of helicopter.
- heliocentric — measured or considered as being seen from the center of the sun.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliospheric — Of or pertaining to the heliosphere.
- hellaciously — In a hellacious manner.
- hematochezia — the passage of bloody stools.
- hemerocallis — the genus comprising the day lilies.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hemiscotosis — hemianopsia.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- hemotoxicity — Toxicity that affects the blood (especially that affects red blood cells).
- hemstitching — Present participle of hemstitch.
- henotheistic — Relating to henotheism.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatoxicity — Toxicity that affects the liver.
- heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.
- herbicidally — from a herbicidal point of view
- hermeneutics — the science of interpretation, especially of the Scriptures.
- hermetically — so as to be airtight: hermetically sealed.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heroic tenor — a tenor with a dramatic voice
- heroic verse — a form of verse adapted to the treatment of heroic or exalted themes: in classical poetry, dactylic hexameter; in English and German, iambic pentameter; and in French, the Alexandrine. An example of heroic verse is Achilles' wrath, to Greece the direful spring / Of woes unnumbered, heavenly goddess, sing!
- heroicomical — blending heroic and comic elements: a heroicomic poem.