13-letter words containing h, o, p, e, l
- 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.
- methylpropene — (organic compound) IUPAC name for isobutylene.
- microcephalia — Microcephaly.
- microcephalic — having a head with a small braincase.
- microcephalus — An abnormally small head.
- molly pitcher — Molly (Mary Ludwig Hays McCauley) 1754–1832, American Revolutionary heroine.
- monotelephone — a telephone that communicates a specific frequency of sound
- morphemically — By means of, or in terms, of morphemes.
- mother's help — a woman employed to help look after children and help the mother in other ways
- multiple shop — chain store.
- myrmecophiles — Plural form of myrmecophile.
- necrophiliacs — Plural form of necrophiliac.
- neoencephalon — neencephalon.
- nephelometers — Plural form of nephelometer.
- nephelometric — Bacteriology. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
- nephrological — of or relating to nephrology
- neurosyphilis — Syphilis that involves the central nervous system.
- non-ephemeral — lasting a very short time; short-lived; transitory: the ephemeral joys of childhood.
- non-spherical — having the form of a sphere; globular.
- nonalphabetic — not employing alphabetic order
- nonperishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
- nonpunishable — Not punishable; of an act, for which no punishment has been authorized; of a person, beyond the reach of punishment.
- normocephalic — Having a normal sized head; neither macrocephalic nor microcephalic; mesocephalic.
- one-punch law — a law prescribing punitive sentences for assault, including assault comprising a single blow
- openheartedly — Alt form open-heartedly.
- openmouthedly — in a manner filled with amazement and wonder
- opthalmoscope — Misspelling of ophthalmoscope.
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- oropharyngeal — the part of the pharynx between the soft palate and the upper edge of the epiglottis.
- orthocephalic — having a medium or intermediate relation between the height of the skull and the breadth or length.
- orthoepically — In terms of correct pronunciation.
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- paleethnology — (formerly) the branch of ethnology concerned with the earliest or most primitive human societies.
- palos heights — a city in NE Illinois, near Chicago.
- pandora shell — any marine bivalve of the genus Pandora, having a scimitar-shaped shell with a pronounced ridge along the hinge.
- pantheologist — a student of, or expert in, pantheology
- parencephalon — a cerebral hemisphere
- parental home — a school for problem children.
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- patent holder — a person or company that holds a patent
- peach blossom — the flower of the peach tree: the state flower of Delaware.
- pelham holles — Thomas, 1st Duke of Newcastle, 1693–1768, British statesman: prime minister 1754–56, 1757–62 (brother of Henry Pelham).
- pelham-holles — Thomas, 1st Duke of Newcastle, 1693–1768, British statesman: prime minister 1754–56, 1757–62 (brother of Henry Pelham).
- pentadelphous — (of a plant) having its stamens arranged in five groups; (of stamens) being arranged in five groups
- perchlorinate — to combine with the maximum proportion of chlorine.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.