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12-letter words containing o, p, t, m

  • perambulator — baby carriage.
  • peremptorily — leaving no opportunity for denial or refusal; imperative: a peremptory command.
  • performative — (of an expression or statement) performing an act by the very fact of being uttered, as with the expression “I promise,” that performs the act of promising.
  • periodontium — the bone, connective tissue, and gum surrounding and supporting a tooth.
  • periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
  • peristomatic — surrounding a leaf's stoma or stomata
  • petrochemist — someone who studies petrochemistry or works in the petrochemical industry
  • phantom limb — a phenomenon characterized by the experience of pain, discomfort, or other sensation in the area of a missing limb or other body part, as a breast.
  • pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
  • pharyngotomy — surgical incision into the pharynx
  • phentolamine — an alpha blocker, C 1 7 H 1 9 N 3 O, used to reduce hypertensive states caused by a catecholamine excess, as in the treatment of pheochromocytoma.
  • phlebotomist — a specialist in phlebotomy.
  • phlebotomize — to subject to phlebotomy; bleed.
  • phonesthemic — (of a speech sound) shared by a set of echoic or symbolic words, as the sn- of sneer, snarl, snatch, snide, snitch, snoop, etc.
  • phonocamptic — possessing the property of reflecting sound or producing an echo
  • photochromic — (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light.
  • photocompose — to set (type) on a photocomposer.
  • photodynamic — the science dealing with light and its effects on living organisms.
  • photomachine — a machine that prints copies of digital photographs
  • photomontage — a combination of several photographs joined together for artistic effect or to show more of the subject than can be shown in a single photograph.
  • photopolymer — a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.
  • photorealism — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
  • photothermic — pertaining to the thermal effects of light.
  • phototropism — phototropic tendency or growth.
  • phragmoplast — the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division.
  • physostomous — having the mouth and air bladder connected by an air duct.
  • phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
  • phytohormone — hormone (def 3).
  • pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
  • picture mold — a molding near a ceiling from which pictures can be suspended.
  • piet-my-vrou — a cuckoo, Notococcyx solitarius, having a red breast
  • pigmentation — coloration, especially of the skin.
  • piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.
  • pinealectomy — a surgical operation to remove the pineal gland
  • pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
  • placentiform — shaped like a placenta, with a flat rounded form
  • plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
  • plasmosomata — a kind of nucleoli
  • plastic bomb — a bomb made of plastic explosive.
  • plastic foam — expanded plastic.
  • plate armour — armour made of thin metal plates, which superseded mail during the 14th century
  • platform bed — a bed, originating in Scandinavia in the 1930s, consisting of a simple shallow box for holding a mattress situated on a slightly recessed pedestal.
  • platform car — a railroad freight car having no enclosing sides or top; a flatcar.
  • pleiotropism — the condition of a gene affecting more than one characteristic of the phenotype
  • plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
  • pneumatocyst — the cavity of a pneumatophore.
  • pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
  • pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
  • pneumothorax — the presence of air or gas in the pleural cavity.
  • pneumotropic — directed toward or having an affinity for lung tissue.
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