9-letter words containing a, s, p, o
- malt shop — a retail establishment specializing in serving ice-cream drinks, as malted milks, milk shakes, and sodas.
- manoscopy — the measurement of the densities of gases
- mastopexy — fixation of a pendulous breast.
- mayorship — the chief executive official, usually elected, of a city, village, or town.
- megaflops — a measure of computer speed, equal to one million floating-point operations per second.
- megapodes — Plural form of megapode.
- megapolis — megalopolis.
- megascope — A modification of the magic lantern, used especially for throwing a magnified image of an opaque object on a screen, solar or artificial light being used.
- megaspore — the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Compare microspore.
- menopause — the period of permanent cessation of menstruation, usually occurring between the ages of 45 and 55.
- mesocarps — Plural form of mesocarp.
- mesopause — the boundary or transition zone between the mesosphere and the ionosphere. Compare mesosphere (def 1).
- metaphors — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- metascope — a device for converting infrared radiation into visible light.
- micropsia — a defect of vision in which objects appear to be smaller than their actual size.
- mishpocha — an entire family network comprising relatives by blood and marriage and sometimes including close friends; clan.
- misopedia — hatred of children, especially one's own.
- monocarps — Plural form of monocarp.
- monophase — (electricity) Having a single phase of alternating current.
- monospace — Of a typeface, having the same width for each character.
- montespan — Marquise de (Françoise Athénaïs de Rochechouart) 1641–1707, mistress of Louis XIV of France.
- moonphase — a phase of the moon
- moonscape — the general appearance of the surface of the moon.
- mopboards — Plural form of mopboard.
- mossplant — another term for moss
- mouse pad — mouse mat
- mousetrap — a trap for mice, especially one consisting of a rectangular wooden base on which a metal spring is mounted.
- myographs — Plural form of myograph.
- myriapods — Plural form of myriapod.
- nanopores — Plural form of nanopore.
- naphthols — Plural form of naphthol.
- naphthous — of, relating to or derived from naphtha
- napoleons — Plural form of napoleon.
- nasoscope — Rhinoscope.
- navpaktos — Greek name of Lepanto.
- neopagans — Plural form of neopagan.
- neoplasia — Pathology. tumor growth.
- neoplasms — Plural form of neoplasm.
- neoplasty — the surgical formation of new tissue structures or repair of damaged structures
- noncampus — not located on a campus of a university, corporation, or any other business or organization
- nonpapist — not papist, not Roman Catholic
- nonparous — having borne no children.
- nonpostal — not postal, not relating to post
- nonstaple — not staple
- noscapine — (biochemistry) A benzylisoquinoline alkaloid obtained from plants of the Papaveraceae family, primarily used for its antitussive effects.
- nyctalops — a person affected by nyctalopia
- occupants — Plural form of occupant.
- olympiads — Plural form of olympiad.
- on-campus — on the area of land that contains the main buildings of a university or college
- opacities — the state or quality of being opaque.