13-letter words containing h, o, i
- isochromosome — an abnormal chromosome in which the two arms share identical genetic information
- isochronously — In an isochronous manner.
- isodimorphism — isomorphism between the forms of two dimorphous substances.
- isodrosotherm — a line on a weather map or chart connecting points having an equal dew point.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- issuing house — a financial institution that engages in finding capital for established companies or for private firms wishing to convert to public companies, by issuing shares on their behalf
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- jogging shoes — shoes designed for jogging
- john endicott — John, Endecott, John.
- john q public — the average or typical U.S. citizen: an entertainment aimed at Mr. and Mrs. John Q. Public.
- john sobieski — John, John III (def 2).
- john suckling — Sir John, 1609–42, English poet.
- john winthrop — John, 1588–1649, English colonist in America: 1st governor of the Massachusetts Bay colony 1629–33, 1637–40, 1642–44, 1646–49.
- john wycliffe — John, c1320–84, English theologian, religious reformer, and Biblical translator.
- johnson noise — thermal background noise in a radio receiver
- johore strait — a narrow strait between Malaya and Singapore Island
- joint honours — an honours university degree in which a student studies two separate subjects, as opposed to a single subject
- joseph lister — Joseph, 1st Baron Lister of Lyme Regis [lahym ree-jis] /laɪm ˈri dʒɪs/ (Show IPA), 1827–1912, English surgeon: founder of modern antiseptic surgery.
- joseph ritter — Joseph Elmer, 1891–1967, U.S. cardinal.
- joseph stalin — Joseph V (Iosif Vissarionovich Dzhugashvili or Dzugashvili) 1879–1953, Soviet political leader: secretary general of the Communist Party 1922–53; premier of the U.S.S.R. 1941–53.
- judeo-spanish — Ladino (def 1).
- junior school — a school for children aged seven to eleven, similar to a U.S. elementary school.
- jury shopping — the practice of presenting a case to several juries until a favourable decision is obtained
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- keep in touch — stay in contact
- kentish glory — a moth, Endromis versicolora, common in north and central Europe, having brown variegated front wings and, in the male, orange hindwings
- kilowatt-hour — a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr.
- kinematograph — cinematograph.
- kinross-shire — a former county of E central Scotland: became part of Tayside region in 1975 and part of Perth and Kinross in 1996
- kiss of death — a fatal or destructive relationship or action: The support of the outlawed group was the kiss of death to the candidate.
- know by sight — the power or faculty of seeing; perception of objects by use of the eyes; vision.
- know-nothings — an ignorant or totally uninformed person; ignoramus.
- korf, richard — Richard Korf
- kosher pickle — a garlic-flavored pickle, sold especially in Jewish delicatessens.
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- landownership — an owner or proprietor of land.
- laughingstock — an object of ridicule; the butt of a joke or the like: His ineptness as a public official made him the laughingstock of the whole town.
- launch window — a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.
- leap of faith — to spring through the air from one point or position to another; jump: to leap over a ditch.
- legal holiday — a public holiday established by law, during which certain work, government business, etc., is restricted.
- leghemoglobin — a hemoglobinlike red pigment in the root nodules of leguminous plants, as soybean, that is essential for nitrogen fixation.
- leigh-mallory — Sir Trafford Leigh [traf-erd lee] /ˈtræf ərd li/ (Show IPA), 1892–1944, British Air Force officer.
- leishmaniosis — Alt form leishmaniasis.
- leonine rhyme — the form of internal rhyme used in leonine verse.
- leptocephalic — having a narrow skull
- leucitohedron — a trapezohedron
- lexicographer — a writer, editor, or compiler of a dictionary.
- lexicographic — Like a dictionary, relating to lexicography (the writing of a dictionary).