13-letter words containing p, a, l, e, h, o
- 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.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hyperpersonal — Very highly personal.
- hyperpolarize — to increase the difference in electric potential across (a cell membrane).
- hyperrational — characterized by excessive rationality
- hypocalcaemia — (medical) alternative spelling of hypocalcemia.
- hypocalcaemic — of or relating to hypocalcaemia
- hypoglycaemia — (medical) alternative spelling of hypoglycemia.
- hypoglycaemic — Alternative spelling of hypoglycemic.
- hypolipidemia — (medicine) A lower than normal concentration of lipids in the blood.
- hypometabolic — Relating to hypometabolism.
- hypophloeodal — living or growing beneath bark, as insect larvae.
- hyposexuality — A significantly low level of sexuality.
- hypotheticals — Plural form of hypothetical.
- hypoventilate — (intransitive) To undergo hypoventilation.
- hypsometrical — Of or pertaining to hypsometry.
- ideographical — Alternative form of ideographic.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- 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.
- lace-up shoes — shoes which are fastened with laces
- lamellaphones — Plural form of lamellaphone.
- landownership — an owner or proprietor of land.
- leap of faith — to spring through the air from one point or position to another; jump: to leap over a ditch.
- lechosos opal — a variety of opal having a deep-green play of color.
- leopard shark — a small, inshore shark, Triakis semifasciata, having distinctive black markings across the back, inhabiting Pacific coastal waters from Oregon through California.
- leptocephalic — having a narrow skull
- leptocephalus — a colorless, transparent, flattened larva, especially of certain eels and ocean fishes.
- lexicographer — a writer, editor, or compiler of a dictionary.
- lexicographic — Like a dictionary, relating to lexicography (the writing of a dictionary).
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macrocephalus — Alternative spelling of macrocephalous.
- megalocephaly — Cephalometry, Craniometry. macrocephalic.
- mephobarbital — The drug methylphenobarbital.
- mesencephalon — Anatomy. the midbrain.
- mesocephalism — mesocephaly
- mesocephalous — Alternative form of mesocephalic.
- metallography — the study of the structure of metals and alloys by means of microscopy.
- metallophones — Plural form of metallophone.
- metencephalon — the anterior section of the hindbrain, comprising the cerebellum and pons.
- methylpropane — (organic compound) isobutane.
- microcephalia — Microcephaly.
- microcephalic — having a head with a small braincase.
- microcephalus — An abnormally small head.
- morphemically — By means of, or in terms, of morphemes.
- necrophiliacs — Plural form of necrophiliac.
- neoencephalon — neencephalon.
- nephrological — of or relating to nephrology
- non-ephemeral — lasting a very short time; short-lived; transitory: the ephemeral joys of childhood.