13-letter words containing p, e, c, a
- heptasyllabic — having seven syllables
- herb patience — a European plant, Rumex patientia, of the buckwheat family, naturalized in North America, having long, wavy-margined, basal leaves used for salads.
- heterocarpous — (of a plant) producing more than one type of fruit
- heterographic — Misspelled; of or pertaining to an incorrect spelling or a spelling that differs from accepted standards.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- hieracosphinx — (in ancient Egyptian art) a hawk-headed sphinx
- hilbert space — a complete infinite-dimensional vector space on which an inner product is defined.
- hire purchase — buying sth by instalments
- hire-purchase — a system of payment for a commodity in regular installments while using it.
- hockey player — sportsperson: plays hockey
- hospital care — medical treatment provided in a hospital
- hospital case — a patient that is being, or needs to be, treated in a hospital
- humped cattle — any of several breeds of domestic cattle developed from the Indian species Bos indicus and characterized by a hump of fat and muscle over the shoulders.
- hunt and peck — a slow and inefficient method of typing by looking for each key separately before striking it: used by untrained typists.
- hunt-and-peck — a method of typing while looking at the keyboard, usually using only the forefingers to press the keys
- hydrocephalic — of or relating to hydrocephalus.
- 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.
- hyperactivate — (biology) To cause or undergo hyperactivation.
- hyperactively — In a hyperactive manner.
- hyperactivity — the condition of being hyperactive.
- hypercalcemia — an abnormally large amount of calcium in the blood.
- hypercautious — Especially or unreasonably cautious.
- hypercinnabar — (mineral) A form of cinnabar that forms hexagonal crystals.
- hypercritical — excessively or meticulously critical; overcritical.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperdactylia — the presence of extra fingers or toes.
- hypergalactia — an abnormally large secretion of milk.
- hyperglycemia — an abnormally high level of glucose in the blood.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hyperphysical — being above or beyond the physical; immaterial; supernatural.
- hyperreactive — Showing a much greater than normal response to a stimulus.
- hyperromantic — extremely or excessively romantic
- hypersarcosis — a fleshy outgrowth
- hypersurfaces — Plural form of hypersurface.
- hyperthetical — Misspelling of hypothetical.
- hyperuricemia — an excess of uric acid in the blood, often producing gout.
- hypervascular — pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
- hypocalcaemia — (medical) alternative spelling of hypocalcemia.
- hypocalcaemic — of or relating to hypocalcaemia
- hypoglycaemia — (medical) alternative spelling of hypoglycemia.
- hypoglycaemic — Alternative spelling of hypoglycemic.
- hypometabolic — Relating to hypometabolism.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- hypotheticals — Plural form of hypothetical.
- hypsometrical — Of or pertaining to hypsometry.
- iceland poppy — any of various widely cultivated arctic poppies, esp Papaver nudicaule, with white or yellow nodding flowers
- iconographies — Plural form of iconography.
- idealized csp — (language) A programming language combining simply typed, call-by-name procedures with asynchronous communicating processes, assuming fair parallel execution. Idealized CSP generalises Anthony Hoare's original CSP and Kahn's networks of deterministic processes, and is closely related to Parallel Algol by Stephen Brookes of CMU. Procedures permit the encapsulation of common protocols and parallel programming idioms. Local variables and local channel declarations provide a way to delimit the scope of interference between parallel agents, and allow a form of concurrent object-oriented programming.