13-letter words containing p, o, t, i
- 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.
- associateship — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- assumptionist — Augustinian of the Assumption.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- at knifepoint — If you are attacked or robbed at knifepoint, someone threatens you with a knife while they attack or steal from you.
- at this point — at this moment in time
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic weapon — a weapon in which energy is provided by nuclear fission
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- 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.
- autopolyploid — (of cells, organisms, etc) having more than two sets of haploid chromosomes inherited from a single species
- 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.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- base hospital — a hospital serving a large rural area
- benthopelagic — relating to species living at the bottom of the sea
- bibliophagist — a person who devours books
- 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.
- biocompatible — not rejected by the body
- birthing pool — a large bath in which a woman can give birth
- bishop violet — a reddish purple.
- bite your lip — If you bite your lip, you try very hard not to show the anger or distress that you are feeling.
- block capital — a sans-serif letter with lines of uniform weight.
- boiling point — The boiling point of a liquid is the temperature at which it starts to change into steam or vapour. For example, the boiling point of water is 100° centigrade.
- bolt up right — a movable bar or rod that when slid into a socket fastens a door, gate, etc.
- bound up with — closely or inextricably linked with
- 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
- buff-tip moth — a large European moth, Phalera bucephala, having violet-brown buff-tipped forewings held at rest around the body so that it resembles a snapped-off twig
- building plot — a piece of land on which a house can be built
- 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.
- cainotophobia — Alternative form of cainophobia.
- campanologist — the principles or art of making bells, bell ringing, etc.