16-letter words containing ope
- private property — land or belongings owned by a person or group and kept for their exclusive use
- proper adjective — an adjective formed from a proper noun, as American from America.
- property company — a business that makes money by buying, selling, and renting out land and houses
- protective slope — a slope given to a yard or the like to drain surface water away from a building.
- pseudoperipteral — having a freestanding colonnade at each end, with engaged columns at the sides.
- pusher propeller — a propeller located on the trailing edge of an aircraft wing.
- rocket-propelled — using rocket power as the chief motive force.
- rodent operative — a name sometimes used for an official (operative) employed by a local authority to destroy vermin
- solid propellant — a rocket propellant in solid form, usually containing a mixture or combination of fuel and oxidizer.
- stereomicroscope — stereoscopic microscope.
- telespectroscope — a combination of a telescope and a spectroscope, used for spectroscopic analysis of radiation from stars and other celestial bodies
- the heavens open — If the heavens open, it suddenly starts raining very heavily.
- the open college — (in Britain) a college of art founded in 1987 for mature students studying foundation courses in arts and crafts by television programmes, written materials, and tutorials
- thrombocytopenia — an abnormal decrease in the number of blood platelets.
- tightrope walker — performer who walks on high wire
- walk a tightrope — be in a precarious position
- zenith telescope — a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars.