12-letter words containing h, c, i
- 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.
- harmonic law — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- harmonically — pertaining to harmony, as distinguished from melody and rhythm.
- harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
- harpsichords — Plural form of harpsichord.
- harvest tick — chigger (def 1).
- hash cookies — biscuits containing cannabis
- hatchability — to bring forth (young) from the egg.
- havana cigar — any of various cigars hand rolled in Cuba, known esp for their high quality
- 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.
- herpetologic — Alternative form of herpetological.
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.