11-letter words containing o, p, h, r, i, t
- photoperiod — the interval in a 24-hour period during which a plant or animal is exposed to light.
- photoresist — Electronics. a photosensitive liquid polymer, used in photolithography to produce integrated circuits.
- phototropic — growing toward or away from the light.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- physiometry — measurement of the physiological functions of the body.
- pictography — the use of pictographs; picture writing.
- pilot chart — any of a number of charts issued to mariners by the U.S. Hydrographic Office and showing meteorological, hydrographic, and navigational conditions prevailing, or likely to prevail, subsequent to the date of issue in some part of the world: issued monthly for most areas.
- pitchometer — an instrument embodying a clinometer, for measuring the pitch of a ship's propeller
- pitchperson — a pitchman or pitchwoman
- polyhistory — the quality of a polyhistor
- polytrophic — (of certain bacteria) deriving nourishment from many organic substances.
- porkpie hat — a hat with a round flat crown and a brim that can be turned up or down
- porphyratin — any of various complex compounds formed of metals and porphyrins
- porphyritic — of, pertaining to, containing, or resembling porphyry, its texture, or its structure.
- potty-chair — a small chair with an open seat over a removable pot, for use by a child during toilet training.
- praetorship — the office of a praetor.
- prehistoric — of or relating to the time or a period prior to recorded history: The dinosaur is a prehistoric beast.
- priest-hole — a secret chamber in certain houses in England, built as a hiding place for Roman Catholic priests when they were proscribed in the 16th and 17th centuries
- prizeworthy — deserving or qualified for a prize: a prizeworthy performance.
- pro-british — of or relating to Great Britain or its inhabitants.
- prochlorite — a dark green member of the chlorite group, usually foliated.
- proctorship — a person appointed to keep watch over students at examinations.
- prognathism — having protrusive jaws; having a gnathic index over 103.
- prohibition — the act of prohibiting.
- prohibitive — serving or tending to prohibit or forbid something.
- prohibitory — prohibitive.
- prophetical — of or relating to a prophet: prophetic inspiration.
- prosthetics — an artificial body part; a prosthesis: Hundreds of amputees volunteered to test the new prosthetics.
- prosthetist — a person skilled in making or fitting prosthetic devices.
- prothalamia — a song or poem written to celebrate a marriage.
- prothallium — Botany. the gametophyte of ferns and related plants.
- prothalloid — resembling a prothallus
- prothoracic — relating to an insect's prothorax
- prothrombin — a plasma protein involved in blood coagulation that on activation by factors in the plasma is converted to thrombin.
- protolithic — noting or pertaining to stone implements selected according to suitability of the form to a particular purpose without definite shaping on the part of the user.
- protopathic — noting or pertaining to a general, nondiscriminating responsiveness to pain or temperature stimuli (opposed to epicritic).
- protophilic — having or involving an affinity for hydrogen ions (protons)
- protophytic — pertaining to the class Protophyta
- provostship — the office of a provost
- proxy fight — a contest between factions of stockholders in a company, in which each group attempts to gain control by soliciting signed proxy statements for sufficient votes.
- pyrotechnic — of or relating to pyrotechnics.
- rehypnotize — to hypnotize again
- retail shop — a shop which sells goods to individual customers
- retinopathy — any diseased condition of the retina, especially one that is noninflammatory.
- retrophilia — a strong liking for things from the past
- rh positive — See under Rh factor.
- rh-positive — See under Rh factor.
- rheotropism — the effect of a current of water upon the direction of plant growth.
- rhinoplasty — plastic surgery of the nose.