9-letter words containing p, i, n, o
- kniphofia — Any of several plants, of the genus Kniphofia, having bright, upright flowers.
- koniscope — a device for detecting and measuring dust in the air
- kropotkin — Prince Pëter Alekseevich [pyawtr uh-lyi-ksyey-yi-vyich] /ˈpyɔtr ʌ lyɪˈksyeɪ yɪ vyɪtʃ/ (Show IPA), 1842–1921, Russian geographer, author, and anarchist.
- lap joint — Also called plain lap. a joint, as between two pieces of metal or timber, in which the pieces overlap without any change in form.
- lily pons — Lily [lil-ee;; French lee-lee] /ˈlɪl i;; French liˈli/ (Show IPA), 1904–76, U.S. operatic soprano, born in France.
- lindy hop — Also called lindy hop, Lindy Hop. an energetic jitterbug dance.
- line copy — a document, drawing, or the like, consisting of two tones, as black and white, without intermediate gradations. Compare halftone (def 1).
- line drop — the decrease in voltage between two points on an electric line, often caused by resistance or leakage along the line.
- linkoping — a city in S Sweden.
- linotyper — a person who uses a Linotype printing machine
- lithopone — a white pigment consisting of zinc sulfide, barium sulfate, and some zinc oxide, used as a pigment and filler in the manufacture of paints, inks, leather, paper, linoleum, and face powders.
- loin chop — a small piece of meat cut from the loin
- lolloping — Present participle of lollop.
- lone pair — shoes, eyes
- longships — Plural form of longship.
- loop line — a railway branch line which leaves the main line and rejoins it after a short distance
- loopiness — The state or condition of being loopy; craziness.
- main loop — (programming) The top-level control flow construct in an input- or event-driven program, the one which receives and acts or dispatches on the program's input events. See also driver.
- mattaponi — a river in E Virginia, flowing SE to join the Pamunkey and form the York River. 120 miles (193 km) long.
- menopolis — an area or city with a high proportion of single men
- meropidan — any insectivorous bird of the family Meropidae
- midpoints — Plural form of midpoint.
- millponds — Plural form of millpond.
- minorship — the state of being a minor
- misprison — Misconstruction of misprision.
- misspoken — Simple past tense and past participle of misspeak.
- money pit — sth continually costing money
- monopitch — having only one slope or a slope with a regular gradient
- monoploid — having the basic or haploid number of chromosomes.
- monopodia — a single main axis that continues to extend at the apex in the original line of growth, giving off lateral branches beneath in acropetal succession.
- monoprint — A form of printing on paper from a glass sheet to which oil paint has been applied; monotype.
- monotypic — having only one type.
- morphinic — of, pertaining to, or resembling morphine
- moss pink — a phlox, Phlox subulata, of the eastern U.S., having showy pink to purple flowers.
- multipion — involving several or many pions
- n'importe — no matter
- nauplioid — of or relating to the first stage in the development of a freshly hatched nauplius larva
- necrophil — person who is sexually attracted to dead bodies
- negrophil — a white or other nonblack person who is especially sympathetic to or supportive of black people.
- nemophila — any of a genus, Nemophila, of low-growing hairy annual plants, esp N. menziesii, grown for its blue or white flowers: family Hydrophyllaceae
- neohippie — Alternative form of neohippy.
- neophilia — Love of new things.
- neophobia — Extreme or irrational fear or dislike of anything new, novel, or unfamiliar.
- neophobic — Afflicted by neophobia; fearing or disliking what is new.
- neophytic — a beginner or novice: He's a neophyte at chess.
- neopilina — any primitive mollusk of the genus Neopilina, having a serial repetition of internal organs that suggests a close relationship to the annelids.
- neoplasia — Pathology. tumor growth.
- nephrosis — kidney disease, especially marked by noninflammatory degeneration of the tubular system.
- nephrotic — Pertaining to, resembling or caused by nephrosis.
- neurochip — a semiconductor chip designed for use in an electronic neural network