15-letter words containing a, t, p, o
- symptomatically — pertaining to a symptom or symptoms.
- symptomological — relating to symptomology
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.
- tablet computer — a number of sheets of writing paper, business forms, etc., fastened together at the edge; pad.
- take down a peg — to lower the pride or conceit of; humble or dispirit
- take one's pick — If you are told to take your pick, you can choose any one that you like from a group of things.
- talcum (powder) — a powder for the body and face made of powdered, purified talc, usually perfumed
- tandem-compound — (of a compound engine or turbine) having high-pressure and low-pressure units in tandem.
- telephotography — photography of distant objects, using a telephoto lens.
- teng hsiao-ping — Deng Xiaoping.
- tetrasporangium — a sporangium containing four asexual spores.
- thalassographer — a person who studies the sea; an oceanographer
- thalassographic — relating to thalassography
- thalassotherapy — the use of sea water and marine products as a therapeutic treatment
- the colophonian — a native of Colophon.
- the jos plateau — a plateau in Nigeria with an average altitude of 1280 metres
- the other place — (at Oxford University) Cambridge University
- the paleolithic — the Paleolithic period, subdivided into the Lower (to c. 150,000 b.c.), Middle (to c. 38,000 b.c.), and Upper stages; Old Stone Age
- the perigordian — the Perigordian culture
- the phanerozoic — the Phanerozoic era
- the upper karoo — one of the two divisions of the Karoo
- theatre company — an organization that produces theatrical performances
- thermobarograph — a device that simultaneously records the temperature and pressure of the atmosphere
- thermogeography — the study of the geographical variation and distribution of temperature.
- thomas à kempis — Thomas à, 1379?–1471, German ecclesiastic and author.
- thought pattern — habitual way of thinking
- thraco-phrygian — a hypothetical branch of Indo-European implying a special genetic affinity between the meagerly attested Thracian and Phrygian languages.
- to pack a punch — If something packs a punch, it has a very powerful effect.
- to part company — If two or more people part company, they go in different directions after going in the same direction together.
- to play footsie — If someone plays footsie with you, they touch your feet with their own feet, for example under a table, often as a playful way of expressing their romantic or sexual feelings towards you.
- to sow gapeseed — to stare in a gaping manner instead of attending to business
- to take up arms — If one group or country takes up arms against another, they prepare to attack and fight them.
- tobacco planter — a tool that was formerly used by tobacco farmers to plant tobacco with
- top dead center — Top dead center is the position of an engine's piston when it is at the very top of its stroke.
- top dead-centre — the position of the crank of a reciprocating engine or pump when the piston is at the top of its stroke
- topgallant mast — a mast fixed to the head of a topmast on a square-rigged vessel.
- topgallant sail — a sail or either of two sails set on the yard or yards of a topgallant mast.
- topographic map — a map showing topographic features, usually by means of contour lines.
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- trading company — a company that is owned by the people who have bought shares in that company
- trading profits — profits made from the buying and selling of goods and services
- trainspotterish — obsessed with trivial details, esp of a subject generally considered uninteresting
- transplantation — to remove (a plant) from one place and plant it in another.
- transportedness — the quality or state of being carried away with pleasure or rapture
- trapdoor spider — any of various, often large, spiders (esp. family Ctenizidae) that dig a burrow and cover the entrance with a hinged lid like a trapdoor
- treaty of paris — a treaty of 1763 signed by Britain, France, and Spain that ended their involvement in the Seven Years' War
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- tropicalization — to make tropical, as in character or appearance.
- trypanosomiasis — any infection caused by a trypanosome.
- twelve apostles — the twelve disciples chosen by Jesus to go forth to teach the gospel