13-letter words containing p, r, o, t, i
- appropriators — Plural form of appropriator.
- approximately — close to; around; roughly or in the region of
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- approximative — (of a method, description, etc.) giving only an approximation to something.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- arithmophobia — the fear of numbers
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- arthroscopies — Plural form of arthroscopy.
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- aspirationals — Plural form of aspirational.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autographical — Relating to, or used in, the process of autography.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bacterioscopy — the examination of bacteria with a microscope.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- bibliotherapy — the use of reading as therapy
- bio-autograph — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bioautography — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- birthing pool — a large bath in which a woman can give birth
- bite your lip — If you bite your lip, you try very hard not to show the anger or distress that you are feeling.
- bolt up right — a movable bar or rod that when slid into a socket fastens a door, gate, etc.
- bring to pass — to cause to happen
- bromocriptine — a dopamine agonist drug which blocks the release of prolactin from the pituitary gland, used in the treatment of Parkinson's disease
- brownie point — If someone does something to score brownie points, they do it because they think they will be praised for it.
- budget period — the time which a budget covers
- built-up roof — a usually flat or slightly sloped roof that is covered with a special material applied in sealed, waterproof layers.
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- byte compiler — byte-code compiler
- c corporation — A C corporation is a type of corporation which is taxed on its income.
- caprification — a method of pollinating the edible fig by hanging branches of caprifig flowers in edible fig trees. Parasitic wasps in the caprifig flowers transfer pollen to the edible fig flowers
- cardiopathies — Plural form of cardiopathy.
- carton-pierre — papier-mâché decorated in imitation of wood, stone, or metal, and chiefly used for ornamental statuary or decorative motifs.
- cartoon strip — A cartoon strip is a series of drawings that tells a story.
- catastrophise — Alt form catastrophize.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- catastrophist — the doctrine that certain vast geological changes in the earth's history were caused by catastrophes rather than gradual evolutionary processes.
- catastrophize — (obsolete) To end a comedy.
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- cephalometric — Relating to cephalometrics.
- chart-topping — very popular; coming top in the charts
- chemisorption — an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
- child support — If a parent pays child support, they legally have to pay money to help provide things such as food and clothing for a child with whom they no longer live.
- chirographist — a person who studies or who is knowledgeable about handwriting styles