13-letter words containing l, u, c, h, o
- human ecology — ecology (def 4).
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hyposulphuric — relating to sulphur which is in a lower state of oxidation than it is in sulphuric compounds
- ichneumon fly — any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasitic on caterpillars and immature stages of other insects.
- ichthyofaunal — relating to ichthyofauna
- in the clouds — a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface.
- insulin shock — a state of collapse caused by a decrease in blood sugar resulting from the administration of excessive insulin.
- isochronously — In an isochronous manner.
- john q public — the average or typical U.S. citizen: an entertainment aimed at Mr. and Mrs. John Q. Public.
- john suckling — Sir John, 1609–42, English poet.
- junior school — a school for children aged seven to eleven, similar to a U.S. elementary school.
- lace-up shoes — shoes which are fastened with laces
- 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.
- lecherousness — The property of being lecherous.
- leptocephalus — a colorless, transparent, flattened larva, especially of certain eels and ocean fishes.
- leucitohedron — a trapezohedron
- lissotrichous — having straight hair.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- logical truth — the property of being logically tautologous
- lophotrichous — (biology, of bacteria) Having multiple flagella located at the same point, so that they can act in concert to drive the bacterium in a single direction.
- low churchman — a person who advocates or follows Low Church practices.
- lunch counter — a counter, as in a store or restaurant, where light meals and snacks are served or are sold to be taken out.
- luncheon club — (in Britain) an arrangement or organization for serving hot midday meals for a small charge to old people in clubs or daycentres
- luncheon meat — any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
- luncheonettes — Plural form of luncheonette.
- lycanthropous — Lycanthropic.
- macrocephalus — Alternative spelling of macrocephalous.
- melancholious — (obsolete) melancholy.
- melanochroous — having dark-coloured or black skin
- mesocephalous — Alternative form of mesocephalic.
- microcephalus — An abnormally small head.
- microphyllous — having microphylls
- mischievously — maliciously or playfully annoying.
- muscle shoals — former rapids of the Tennessee River in SW Alabama, changed into a lake by Wilson Dam: part of the Tennessee Valley Authority.
- neurochemical — of or relating to neurochemistry.
- non-scheduled — not scheduled; not entered on or having a schedule; unscheduled: nonscheduled activities.
- nut chocolate — chocolate containing nuts
- one-punch law — a law prescribing punitive sentences for assault, including assault comprising a single blow
- phyllocladous — having phylloclades.
- physoclistous — having the air bladder closed off from the mouth.
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- polychotomous — divided into multiple parts
- postholocaust — following a holocaust
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- public school — (in the U.S.) a school that is maintained at public expense for the education of the children of a community or district and that constitutes a part of a system of free public education commonly including primary and secondary schools.
- quelque chose — a trifle
- quelque-chose — kickshaw.