20-letter words containing a, l, y, c, h, o
- peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
- phenylpropyl acetate — a colorless, water-insoluble liquid, C 1 0 H 1 2 O 2 , used chiefly in perfumery.
- phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
- physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
- polyanthus narcissus — a Eurasian amaryllidaceous plant, Narcissus tazetta, having clusters of small yellow or white fragrant flowers
- propylphenyl acetate — phenylpropyl acetate.
- pseudo-psychological — of or relating to psychology.
- psychiatric hospital — institution treating mental disorders
- psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
- pyroligneous alcohol — methyl alcohol.
- recreational therapy — therapy by means of recreational activities engaged in by the patient
- schizoid personality — sb with identity disorder
- silicon tetrahydride — silane (def 1).
- technology agreement — a framework designed by trade unions for negotiating changes in employment caused by the introduction of new technology
- tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
- theosophical society — a society founded by Madame Blavatsky and others, in New York in 1875, advocating a worldwide eclectic religion based largely on Brahmanic and Buddhistic teachings.
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- to clear your throat — If you clear your throat, you cough once in order to make it easier to speak or to attract people's attention.
- tribromoacetaldehyde — bromal.
- what-you-may-call-it — an object or person whose name one does not know or cannot recall.
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- yellow-breasted chat — an American warbler, Icteria virens, having a yellow throat and breast and greenish-brown upper parts and noted for imitating the songs of other species.