12-letter words containing t, e, r, h, a
- play therapy — a form of psychotherapy used chiefly with children, in which patients act out situations in play that are expressive of their emotional problems, conflicts, etc.
- pneumothorax — the presence of air or gas in the pleural cavity.
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- pointed arch — an arch having a pointed apex.
- poll watcher — a representative of a political party or of an organization running a candidate who is assigned to the polls on an election day to watch for violations of the laws that regulate voting, campaigning, etc.
- polyurethane — a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.
- post-harvest — Also, harvesting. the gathering of crops.
- praiseworthy — deserving of praise; laudable: a praiseworthy motive.
- pre-teaching — to impart knowledge of or skill in; give instruction in: She teaches mathematics. Synonyms: coach.
- preauthorize — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- preestablish — to establish beforehand.
- prehistorian — an authority on or specialist in prehistory
- preslaughter — of the period before slaughter (of animals)
- prickly heat — a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
- procathedral — a church used temporarily as a cathedral.
- promethazine — a phenothiaxine derivative, C 1 7 H 2 0 N 2 S, used for the symptomatic relief of allergies and in the management of motion sickness.
- prostanthera — any bush of the Australian genus Prostanthera, with red or white flowers and strongly scented leaves
- prototherian — belonging or pertaining to the group Prototheria, comprising the monotremes.
- proudhearted — full of pride.
- purchase tax — a sales tax on nonessential and luxury goods.
- pure-hearted — (of a person) without malice, treachery, or evil intent; honest; sincere; guileless.
- purple heart — a medal awarded for wounds received in action against an enemy or as a direct result of an act of the enemy.
- purple patch — If someone, especially a sports player or team, goes through a purple patch, they are very successful or lucky for a period.
- pyrithiamine — an antivitamin that causes thiamine deficiency
- pyritohedral — of or relating to a pyritohedron
- pyrocatechol — catechol.
- pyrosulphate — any salt of pyrosulphuric acid
- quarter-hoop — a hoop, especially of steel, fastened around a cask between the bilge and the chime.
- quarter-hour — a period of 15 minutes.
- quarterlight — A small, pivoted, normally triangular, car window that acts as a vent.
- rabbitfishes — Plural form of rabbitfish.
- rachiotomies — Plural form of rachiotomy.
- radiant heat — heat energy transmitted by electromagnetic waves in contrast to heat transmitted by conduction or convection.
- radiesthesia — the ability to sense energy forces or radiation, esp from the human body
- radiesthetic — of or relating to radiesthesia
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- ram sth home — If something rams home a message or a point, it makes it clear in a way that is very forceful and that people are likely to listen to.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rammed earth — a mixture of sand, loam, clay, and other ingredients rammed hard within forms as a building material.
- ratchet down — If something ratchets down or is ratcheted down, it decreases by a fixed amount or degree, and seems unlikely to increase again.
- ratchet jack — a screw jack rotated by a ratchet mechanism.
- re-authorize — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- re-establish — to found, institute, build, or bring into being on a firm or stable basis: to establish a university; to establish a medical practice.
- reachability — to get to or get as far as in moving, going, traveling, etc.: The boat reached the shore.
- read-through — reading (def 1).
- reality show — A reality show is a type of television program that aims to show how ordinary people behave in everyday life, or in situations, often created by the program makers, which are intended to represent everyday life.
- reattachment — connecting or fastening again
- red goatfish — a goatfish, Mullus auratus.
- refresh rate — (hardware) (Or "vertical refresh rate", "vertical scan rate") The maximum number of frames that can be displayed on a monitor in a second, expressed in Hertz. The scan rate is controlled by the vertical sync signal generated by the video controller, ordering the monitor to position the electron gun at the upper left corner of the raster, ready to paint another frame. It is limited by the monitor's maximum horizontal scan rate and the resolution, since higher resolution means more scan lines. Increasing the refresh rate decreases flickering, reducing eye strain, but few people notice any change above 60-72 Hz.
- rehabilitant — a person who is undergoing rehabilitation, especially for a physical disability.