15-letter words containing h, a, t, l
- orchestrational — Of or pertaining to orchestration.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthodontically — from an orthodontic point of view
- orthokeratology — a technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses.
- orthopaedically — in an orthopaedic manner
- palaeoanthropic — relating to palaeoanthropology
- palaeontography — the branch of palaeontology concerned with the description of fossils
- palaeopathology — the study of diseases of ancient man and fossil animals
- palaeophytology — the study of ancient botany
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- panhandle state — West Virginia (used as a nickname).
- panophthalmitis — the inflammation of all eye tissue
- paracetaldehyde — paraldehyde.
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
- passport holder — a person who has a passport
- patchwork quilt — cover sewn from patches of cloth
- pathophysiology — the physiology of abnormal or diseased organisms or their parts; the functional changes associated with a disease or syndrome.
- pavel petrovich — Paul I (def 2).
- payment holiday — a break taken from paying ( a debt etc) back
- penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- perchloroethane — hexachloroethane.
- perpetual check — a continuing series of checks resulting in a drawn game because they cannot be halted or evaded without resulting in checkmate or a serious disadvantage.
- personal growth — development as an individual
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenolphthalein — a white, crystalline compound, C 2 0 H 1 4 O 4 , used as an indicator in acid-base titration and as a laxative.
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenyl valerate — a colorless, slightly water-soluble liquid, C 1 1 H 1 4 O 2 , used chiefly in flavoring and perfumery.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phosphorylation — to introduce the phosphoryl group into (an organic compound).
- phosphorylative — of or relating to phosphorylation
- photodegradable — (of a substance) capable of being broken down by light.
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- photoflood lamp — an incandescent tungsten lamp in which high intensity is obtained by overloading voltage: used in photography, television, etc.
- photofluorogram — a recording on photographic film of images produced by a fluoroscopic examination.
- photoheliograph — an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- photolithograph — Also, photolithoprint [foh-tuh-lith-uh-print] /ˌfoʊ təˈlɪθ əˌprɪnt/ (Show IPA). a lithograph printed from a stone or the like upon which a picture or design has been formed by photography.
- photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
- phototactically — in a phototactic manner
- phototelegraphy — facsimile (def 2a).
- phototropically — in a phototropic manner
- photoxylography — the process of using photography in order to produce an image on wood, for the use of a wood engraver
- physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- physiopathology — pathophysiology.
- phytochemically — in a phytochemical manner