12-letter words containing l, a, c, h, e
- helicographs — Plural form of helicograph.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- hellaciously — In a hellacious manner.
- hello packet — (networking, communications) An OSPF packet sent periodically on each network interface, real or virtual, to discover and test connections to neighbours. Hello packets are multicast on physical networks capable of multicasting or broadcasting to enable dynamic router discovery. They include the parameters that routers connected to a common network must agree on. Hello packets increase network resilience by, e.g., allowing a router to establish a secondary connection when a primary connection fails.
- hells canyon — a canyon on the Snake River in S Idaho and along the Oregon border: 125 miles (210 km) long with a maximum depth of about 7900 feet (2408 meters).
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- hemerocallis — the genus comprising the day lilies.
- hemophiliacs — Plural form of hemophiliac.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- 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
- hermetically — so as to be airtight: hermetically sealed.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterosocial — relating to or denoting mixed-sex social relationships
- hever castle — a Tudor mansion near Edenbridge in Kent: home of Anne Boleyn before her marriage; Italian garden added in the 20th century by the Astor family
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexachloride — a chloride containing six atoms of chlorine.
- hexadactylic — having six fingers or toes
- hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.
- hibernaculum — a protective case or covering, especially for winter, as of an animal or a plant bud.
- hiding place — location where sb is concealed
- hierarchical — of, belonging to, or characteristic of a hierarchy.
- hieratically — In a hieratic way.
- holocephalan — (zoology) Any cartilaginous fish of the subclass Holocephali; the chimeras.
- homolecithal — having a fairly uniform distribution of yolk, as certain eggs or ova having relatively little yolk.
- horn balance — an extension of an aircraft control surface that projects in front of the hinge providing aerodynamic assistance in moving the control
- horometrical — Relating to horometry.
- horse-collar — (especially in baseball) a score of zero.
- housecleaner — Someone employed to clean a house.
- hull balance — (of a sailing ship) the property of maintaining satisfactory trim and steering qualities when heeled at a normal angle.
- hydraulicked — (of an extracted mineral) excavated using water
- hydrocephaly — 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.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hygienically — conducive to good health; healthful; sanitary.
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperalgesic — Of or pertaining to hyperalgesia.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperdactyly — the presence of extra fingers or toes.
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypermagical — produced by or as if by magic: The change in the appearance of the room was magical.
- hyperplastic — Of, or relating to hyperplasia.
- hypertypical — excessively typical
- hypoallergic — Hypoallergenic.
- hypocalcemia — an abnormally small amount of calcium in the blood.
- hypocalcemic — Relating to, or exhibiting, hypocalcemia.
- hypoglycemia — an abnormally low level of glucose in the blood.