10-letter words containing o, p, s, e, r
- isentropes — a line on a map or chart joining points having equal entropy.
- isentropic — having a constant entropy.
- isoprenoid — pertaining to, derived from, or similar to isoprene.
- isopterous — belonging or pertaining to social insects of the order Isoptera, comprising the termites.
- isotopomer — (chemistry) any isomer of an organic compound differing only in the position of an isotope.
- jazzperson — A jazz musician.
- jeopardies — Plural form of jeopardy.
- jeopardise — to put in jeopardy; hazard; risk; imperil: He jeopardized his life every time he dived from the tower.
- jeopardous — perilous; dangerous; hazardous; risky.
- karyotypes — Plural form of karyotype.
- keep score — sport: record results
- kiloparsec — a unit of distance, equal to 1000 parsecs. Abbreviation: kpc.
- kinsperson — A kinsman or kinswoman.
- la perouse — Jean François de Galaup [zhahn frahn-swa duh ga-loh] /ʒɑ̃ frɑ̃ˈswa də gaˈloʊ/ (Show IPA), 1741–88, French naval officer and explorer.
- laserscope — a surgical instrument that employs a laser beam to destroy diseased tissue or to create small channels; used to open clogged arteries and, in ophthalmology, to treat patients with glaucoma or diabetic retinopathy.
- lay person — a person who is not a member of the clergy; one of the laity.
- lectorship — a lecturer in a college or university.
- leopardess — a female leopard.
- leptospira — any of several spirally shaped, aerobic bacteria of the genus Leptospira, certain species of which are pathogenic for human beings.
- leptospire — Any bacterium of the genus Leptospira.
- liver spot — a dark brown skin spot, usually caused by sun exposure
- long press — (on a tablet or smartphone) the act of pressing one's finger down on an icon or other part of the screen for several seconds, as to activate a task or access additional options.
- long purse — wealth; riches
- loves park — a town in N Illinois.
- lp spooler — (printer) A line printer spooler.
- macpherson — James, 1736–96, Scottish author and translator.
- macropores — Plural form of macropore.
- macroscope — A wide-field imaging device.
- macrospore — megaspore.
- madrepores — Plural form of madrepore.
- mailperson — A mailman or mailwoman.
- mascarpone — a very soft Italian cream cheese made from cow's milk.
- mckeesport — a city in SW Pennsylvania, near Pittsburgh.
- megaspores — 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.
- mentorship — a wise and trusted counselor or teacher.
- mesomorphs — Plural form of mesomorph.
- mesomorphy — pertaining to or having a muscular or sturdy body build characterized by the relative prominence of structures developed from the embryonic mesoderm (contrasted with ectomorphic, endomorphic).
- mesosphere — (in the classification of the earth's atmosphere by chemical properties) the region between the ionosphere and the exosphere, extending from about 250–650 miles (400–1050 km) above the surface of the earth.
- metropolis — any large, busy city.
- metroscope — an instrument for examining the cavity of the uterus.
- micropenis — (medical) An unusually small penis.
- micropores — a tiny opening, as in specialized biological filters or in the shells of some animals.
- micropyles — Plural form of micropyle.
- microscope — an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye.
- microsleep — a moment of sleep followed by disorientation, experienced especially by persons suffering from narcolepsy or sleep deprivation.
- microspore — the smaller of the two kinds of spores characteristically produced by seed plants and some fern allies, developing into a male gametophyte. Compare megaspore,
- millepores — Plural form of millepore.
- misimprove — to make worse in trying to make better
- misperform — to carry out; execute; do: to perform miracles.
- misreports — Third-person singular simple present indicative form of misreport.