15-letter words containing h, o, l, p, t, i
- photomultiplier — an extremely sensitive detector of light and of other radiation, consisting of a tube in which the electrons released by radiation striking a photocathode are accelerated, greatly amplifying the signal obtainable from small quantities of radiation.
- phototactically — in a phototactic manner
- phototheodolite — an optical tracking instrument consisting of a camera and theodolite mounted on a single tripod, used in photogrammetry and in tracking rockets.
- phototropically — in a phototropic manner
- 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
- plain chocolate — dark eating chocolate
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- play havoc with — bring chaos to
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
- polychlorinated — having multiple chlorine atoms
- posthole digger — a tool or device for digging a posthole.
- psychobiologist — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- public footpath — a footpath along which the public has right of way
- pulchritudinous — physically beautiful; comely.
- pulmobranchiate — possessing a pulmobranch
- pyrotechnically — in a pyrotechnical manner
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- self-hypnotized — hypnotized by oneself.
- shrimp cocktail — prawns and lettuce in Mary Rose sauce
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- sophisticatedly — (of a person, ideas, tastes, manners, etc.) altered by education, experience, etc., so as to be worldly-wise; not naive: a sophisticated young socialite; the sophisticated eye of an experienced journalist.
- spanish trefoil — alfalfa.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- spin the bottle — a game in which someone spins a bottle and receives a kiss from the person at whom the bottle points on coming to rest.
- spit and polish — great care in maintaining smart appearance and crisp efficiency: The commander was concerned more with spit and polish than with the company's morale.
- stigmatophilist — a person who has stigmatophilia
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- sycophantically — a self-seeking, servile flatterer; fawning parasite.
- thalassographic — relating to thalassography
- the colophonian — a native of Colophon.
- 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 pleistocene — the Pleistocene epoch or rock series
- the riot police — the section of the police force that is trained to deal with people who cause trouble in public places
- threshold price — the highest price a retailer is allowed to sell a particular good at
- top-of-the-line — being the best and usually the most expensive of its kind: The company previewed its top-of-the-line carpeting.
- typographically — of or relating to typography.
- uncopyrightable — not able to be copyrighted
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- white corpuscle — white blood cell.
- xylotypographic — involving or pertaining to xylotypography
- zoophysiologist — an expert in zoophysiology
- zoophytological — of or relating to zoophytology