10-letter words containing a, t, c, o
- halophytic — Growing well under salty conditions.
- happi coat — a Japanese lounging jacket with wide, loose sleeves and often an overlapping front closure usually tied with a sash.
- hard court — a tennis court having a concrete or asphalt surface.
- hatch boat — a small fishing vessel having covered wells for holding the catch.
- head count — an inventory of people in a group taken by counting individuals.
- headstocks — Plural form of headstock.
- heath cock — the male of the black grouse.
- hectograms — Plural form of hectogram.
- hectograph — a process for making copies of a letter, memorandum, etc., from a prepared gelatin surface to which the original writing has been transferred.
- hematocele — hemorrhage into a cavity, as the cavity surrounding the testis.
- hematocrit — a centrifuge for separating the cells of the blood from the plasma.
- hematocyst — a cyst containing blood.
- hematocyte — hemocyte.
- hemostatic — arresting hemorrhage, as a drug; styptic.
- hepatocyte — a cell of the main tissue of the liver; liver cell.
- heptachlor — a highly toxic, light-tan, waxy solid, C 10 H 5 Cl 7 , used as an insecticide: its manufacture and use are restricted in the U.S.
- heptachord — a musical scale of seven notes.
- heptapodic — having seven metrical feet
- heptatonic — (of a musical scale) comprising seven notes
- historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- holocausts — Plural form of holocaust.
- home match — a match played on a team's home ground
- hotel rack — rack6 (def 2).
- housatonic — a river flowing S from NW Massachusetts through SW Connecticut to Long Island Sound near Stratford, Connecticut. 148 miles (240 km) long.
- housecoats — Plural form of housecoat.
- hovercraft — ACV.
- hycanthone — A particular schistosomicide, a metabolite of lucanthone.
- hydrotheca — the part of the perisarc covering a hydranth.
- hypoactive — Less than normally active.
- hypocausts — Plural form of hypocaust.
- hypostatic — of or relating to a hypostasis; fundamental.
- hypotactic — dependent relation or construction, as of clauses; syntactic subordination.
- hypothecal — (microbiology, planktology) Of or pertaining to the hypotheca, the lower half of the shell of certain types of plankton.
- hystorical — Nonstandard spelling of historical.
- iatrogenic — (of a medical disorder) caused by the diagnosis, manner, or treatment of a physician.
- iceboating — the sport of using an iceboat
- ichthammol — a viscous, reddish-brown to brownish-black substance, obtained by the destructive distillation of bituminous shales, used in medicine chiefly as an antiseptic, analgesic, and local stimulant in skin disorders.
- iconoclast — a person who attacks cherished beliefs, traditional institutions, etc., as being based on error or superstition.
- iconolatry — the worship or adoration of icons.
- iconomatic — employing pictures to represent not objects themselves but the sound of their names
- idiocratic — idiosyncrasy.
- idiolectal — Of or relating to an idiolect.
- idiopathic — of unknown cause, as a disease.
- idiot card — cue card.
- idoloclast — a breaker of idols; iconoclast
- illocality — Want of locality or place.
- imbroccata — a downward pass or thrust
- impactions — Plural form of impaction.
- importance — the quality or state of being important; consequence; significance.
- importancy — (obsolete) importance; significance.