15-letter words containing h, o, p, e, l
- methylene group — the bivalent organic group >CH 2 , derived from methane.
- methylheptenone — a colorless liquid, C 8 H 1 4 O, occurring in many essential oils and produced by synthesis: used in organic synthesis and in the manufacture of inexpensive perfumes.
- methylpropanone — (organic compound) The industrial solvent butanone.
- microaerophiles — Plural form of microaerophile.
- microaerophilic — Of, or relating to a microaerophile.
- mother of pearl — a hard, iridescent substance that forms the inner layer of certain mollusk shells, used for making buttons, beads, etc.; nacre.
- mother's helper — a person who is hired to assist in household chores, especially caring for children.
- mother-of-pearl — a hard, iridescent substance that forms the inner layer of certain mollusk shells, used for making buttons, beads, etc.; nacre.
- multiphase flow — Multiphase flow is a type of flow that involves more than one fluid, for example a liquid and a gas, or two liquids that do not mix.
- multiple choice — question: with several options
- multiple-choice — consisting of several possible answers from which the correct one must be selected: a multiple-choice question.
- natal horoscope — the horoscope based on an individual's birth.
- nearly-new shop — a shop that sells secondhand clothes and other objects
- nephrolithiasis — (pathology) presence of calculi in kidneys.
- nephrolithotomy — incision or opening of a kidney pelvis for removal of a calculus.
- nephrosclerosis — (pathology) arteriosclerosis of the renal arteries.
- neuroepithelial — Of or relating to the neuroepithelium.
- neuroepithelium — Embryology. the part of the embryonic ectoderm that gives rise to the nervous system.
- neuropathically — In a neuropathic way.
- neuropathologic — Of or pertaining to neuropathology.
- neurophysiology — the branch of physiology dealing with the functions of the nervous system.
- neuropsychology — The study of the relationship between behavior, emotion, and cognition on the one hand, and brain function on the other.
- nonhospitalized — not hospitalized
- nonmetaphorical — not metaphorical; literal
- northern parula — any of several American wood warblers of the genus Parula, especially P. americana (northern parula) having bluish plumage with a yellow throat and breast.
- nucleophilicity — (uncountable) The condition of being nucleophilic.
- null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
- ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
- ophthalmoscopes — Plural form of ophthalmoscope.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthopaedically — in an orthopaedic manner
- out of the loop — a portion of a cord, ribbon, etc., folded or doubled upon itself so as to leave an opening between the parts.
- package holiday — a holiday arranged by a travel company in which your travel and accommodation are booked for you
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- palaeoanthropic — relating to palaeoanthropology
- palaeogeography — the study of geographical features of the geological past
- palaeontography — the branch of palaeontology concerned with the description of fossils
- palaeopathology — the study of diseases of ancient man and fossil animals
- palaeophytology — the study of ancient botany
- paleoencephalon — paleencephalon.
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- passport holder — a person who has a passport
- pavel petrovich — Paul I (def 2).
- payment holiday — a break taken from paying ( a debt etc) back
- peachblow glass — an American art glass made in various pale colors and sometimes having an underlayer of milk glass.
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
- perchloroethane — hexachloroethane.