13-letter words containing a, c, h, i, s
- microhabitats — Plural form of microhabitat.
- mischiefmaker — Alternative form of mischief-maker.
- monarchianism — any of several doctrines of the Christian church in the 2nd and 3rd centuries a.d., emphasizing the unity of God by maintaining that the Father, the Son, and the Holy Ghost are three manifestations or aspects of God.
- music theatre — a modern musical-dramatic work that is performed on a smaller scale than, and without the conventions of, traditional opera
- musicotherapy — the treatment of mental disorders with music
- nanochemistry — (chemistry) The synthesis, analysis and characterization of chemical compounds at the nanoscale.
- narcohypnosis — the use of drugs to induce hypnosis
- necrophiliacs — Plural form of necrophiliac.
- nicholasville — a town in central Kentucky.
- niedersachsen — German name of Lower Saxony.
- nightcrawlers — Plural form of nightcrawler.
- non-aesthetic — relating to the philosophy of aesthetics; concerned with notions such as the beautiful and the ugly.
- non-christian — (of a person, country, etc) not adhering to the Christian faith
- non-spherical — having the form of a sphere; globular.
- nonce-bashing — violent attacks against rapists, child molesters, or sexual offenders, esp inside a prison
- nonchauvinist — a person who is not a chauvinist
- nonhistorical — Not based on or drawn from history.
- nonhysterical — not hysterical or funny
- nymphomaniacs — Plural form of nymphomaniac.
- ocean sunfish — a brown and gray mola, Mola mola, inhabiting tropical and temperate seas, having the posterior half of the body sharply truncated behind the elongated dorsal and anal fins.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- open sandwich — a sandwich served on only one slice of bread, without a covering slice.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- optic chiasma — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- ornithischian — any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare saurischian.
- orthosilicate — a silicate mineral
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- overachievers — Plural form of overachiever.
- packet switch — packet switching
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.
- parapsychosis — an abnormal psychosis
- parasynthetic — the formation of a word by the addition of a derivational suffix to a phrase or compound, as of greathearted, which is great heart plus -ed.
- paring chisel — a woodworking chisel moved by steady hand pressure to make long, light cuts.
- parish church — local place of worship
- past historic — the simple past
- pentastichous — (of plant leaves) arranged in five vertical rows
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallic phase — the time from about age three to five when the genitals become the focus of a child's sensual pleasure.
- pharmaceutics — a pharmaceutical preparation or product.
- phelloplastic — an image or a representation that has been fashioned from cork
- philosophical — of or relating to philosophy: philosophical studies.
- phlogisticate — to integrate or blend phlogiston with
- phonocamptics — the branch of acoustics dealing with echoes
- photoacoustic — optoacoustic