12-letter words containing ro
- antimicrobic — Antimicrobial.
- antineutrons — Plural form of antineutron.
- antiroll bar — a horizontal bar in the suspension system of some automotive vehicles, that stabilizes the body of the vehicle and thereby reduces sway, esp. during turns
- antiromantic — opposed to romanticism
- antiroyalism — Opposition to royals or royalism.
- antiroyalist — opposed to the monarchy
- antistrophes — Plural form of antistrophe.
- antistrophic — Of or pertaining to an antistrophe.
- antistrophon — an argument that is retorted against an opponent
- antithrombin — a substance that counteracts the action of thrombin, preventing the formation of blood clots
- apeirophobia — The fear of infinity and/or of infinite things.
- aphrodisiacs — Plural form of aphrodisiac.
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apostrophise — to address by apostrophe.
- apostrophize — to address an apostrophe to
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- approachment — (archaic) approach.
- approbations — approval; commendation.
- appropriable — that can be appropriated
- appropriated — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriates — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriator — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximated — near or approaching a certain state, condition, goal, or standard.
- approximates — near or approaching a certain state, condition, goal, or standard.
- approximator — Something that approximates.
- apron string — a string for tying an apron on
- archenterons — Plural form of archenteron.
- ariel sharon — Ariel, 1928–2014, Israeli military and political leader; prime minister 2001–06.
- armored rope — rope made of wire-wrapped hempen strands that is used in salvage work.
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- aromatherapy — Aromatherapy is a type of treatment which involves massaging the body with special fragrant oils.
- aromatically — having an aroma; fragrant or sweet-scented; odoriferous.
- around about — Around about means approximately.
- arousability — to stimulate sexually.
- arseniferous — Lb geology Containing or producing arsenic.
- arseno group — the bivalent group −As=As−.
- arsino group — the univalent group H 2 As−.
- arthrobacter — a genus of rod-shaped or spherical bacteria found in the soil.
- arthrography — the X-ray examination of a joint after injection of a contrast medium into the joint space
- arthropathic — disease of the joints.
- arthroplasty — surgical repair of a diseased joint
- arthroscopes — Plural form of arthroscope.
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- arthrospores — an isolated vegetative cell that has passed into a resting state, occurring in bacteria and not regarded as a true spore.
- arthrotomies — Plural form of arthrotomy.
- asphalt rock — a rock formation, usually of limestone or sandstone, containing large amounts of bitumens.
- assay groove — (in silverwork) a furrow left in a piece by the digging out of metal for assay.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc