10-letter words containing i, p, r, o, s
- ionosphere — the region of the earth's atmosphere between the stratosphere and the exosphere, consisting of several ionized layers and extending from about 50 to 250 miles (80 to 400 km) above the surface of the earth.
- irruptions — Plural form of irruption.
- isentropes — a line on a map or chart joining points having equal entropy.
- isentropic — having a constant entropy.
- isographic — (in the study of the geographical distribution of a dialect) a line drawn on a map to indicate areas having common linguistic characteristics.
- isomorphic — Biology. different in ancestry, but having the same form or appearance.
- isoprenoid — pertaining to, derived from, or similar to isoprene.
- isopterous — belonging or pertaining to social insects of the order Isoptera, comprising the termites.
- isosporous — having spores of only one kind
- isotopomer — (chemistry) any isomer of an organic compound differing only in the position of an isotope.
- isotropism — isotropy
- isotropous — (archaic) isotropic.
- jeopardies — Plural form of jeopardy.
- jeopardise — to put in jeopardy; hazard; risk; imperil: He jeopardized his life every time he dived from the tower.
- kiloparsec — a unit of distance, equal to 1000 parsecs. Abbreviation: kpc.
- kinsperson — A kinsman or kinswoman.
- kiwisports — a fitness programme developed for schools, involving a selection of sports such as rounders, cricket, and netball
- lectorship — a lecturer in a college or university.
- 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.
- lisinopril — A drug of the angiotensin converting enzyme inhibitor class, primarily used in the treatment of hypertension, congestive heart failure, heart attacks, and certain complications of diabetes.
- liver spot — a dark brown skin spot, usually caused by sun exposure
- logogriphs — Plural form of logogriph.
- macroprism — a prism belonging to an orthorhombic crystal found between the macropinacoid and the unit prism
- mailperson — A mailman or mailwoman.
- mentorship — a wise and trusted counselor or teacher.
- metropolis — any large, busy city.
- microchips — Plural form of microchip.
- micropenis — (medical) An unusually small penis.
- micropolis — a small city
- micropores — a tiny opening, as in specialized biological filters or in the shells of some animals.
- microprism — a small prism incorporated in the focusing screen of many single-lens reflex cameras. The prism stops shimmering when the subject is in focus
- micropumps — Plural form of micropump.
- 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.
- microscopy — the use of the microscope.
- 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.
- misprision — contempt or scorn.
- misprogram — to program badly or wrongly
- misreports — Third-person singular simple present indicative form of misreport.
- misworship — a form of worship that is wrong
- miter post — meeting post.
- morphemics — the study of the classification, description, and functions of morphemes; morphology.
- morphinism — Morphine addiction.
- mothership — a vessel or craft that services others operating far from a home port or center.
- motor ship — a ship propelled by an internal-combustion engine or engines