13-letter words containing c, a, t, h, i
- photochemical — the branch of chemistry that deals with the chemical action of light.
- photocopiable — able or legally permitted to be photocopied
- photodynamics — the science dealing with light and its effects on living organisms.
- photoreaction — a chemical reaction that involves or requires light.
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- physicalistic — of or relating to physicalism.
- physicalities — the physical attributes of a person, especially when overdeveloped or overemphasized.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- piano teacher — tutor of piano-playing
- picardy third — a major third in the final tonic chord of a composition written in a minor key.
- pitch surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- pitcher plant — any of various insectivorous New World bog plants of the genera Sarracenia, Darlingtonia, and Heliamphora, having tubular or trumpet-shaped leaves containing a liquid in which insects are trapped.
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- platycephalic — having a head whose cranial vault is broad or flat.
- polychromatic — having or exhibiting a variety of colors.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polytechnical — relating to a technical school
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- pre christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- pre-christian — of, relating to, or belonging to a time or period before the Christian Era.
- pre-christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- preanesthetic — a substance that produces a preliminary or light anesthesia.
- promonarchist — the principles of monarchy.
- prophetically — of or relating to a prophet: prophetic inspiration.
- psilanthropic — relating to psilanthropism
- psychasthenia — Psychiatry. (no longer in technical use) a neurosis marked by fear, anxiety, phobias, etc.
- psychasthenic — a person who has psychasthenia
- psychosomatic — of or relating to a physical disorder that is caused by or notably influenced by emotional factors.
- psychotically — Psychiatry. characterized by or afflicted with psychosis. Synonyms: (in nontechnical usage) insane, psychopathic, lunatic, mentally ill; mad, disturbed, deranged, demented, non compos mentis. Antonyms: sane; compos mentis, clearheaded, lucid.
- public health — health services to improve and protect community health, especially sanitation, immunization, and preventive medicine.
- pupil teacher — a young person who plans to be a teacher and who spends part of his or her time in preliminary education undertaking teaching duties under the supervision of the head-teacher
- puritan ethic — work ethic.
- pyrotechnical — of or relating to pyrotechnics.
- radical right — the faction representing extreme right-wing political views; ultraconservatives; reactionaries.
- ramapithecine — of or relating to an extinct hominoid of the genus Ramapithecus
- reality check — a corrective confronting of reality, in order to counteract one's expectations, prejudices, or the like.
- retail anchor — A retail anchor is a popular store whose name will attract customers to a shopping mall.
- richard petty — Richard, born 1937, U.S. racing-car driver.
- richter scale — a scale, ranging from 1 to 10, for indicating the intensity of an earthquake.
- right bracket — (character) "]". ASCII character 93. Common names: right square bracket; ITU-T: closing bracket; unbracket. Rare: unsquare; INTERCAL: U turn back. Paired with left bracket.
- saccharimeter — an optical instrument for determining the strength of sugar solutions by measuring the rotation of the plane of polarized light they produce.
- saccharimetry — the process of measuring the amount of sugar in a sample, as with a saccharimeter or by polarimetry.
- saccharolytic — of or causing the hydrolysis of sugars.
- saddle-stitch — to sew, bind, or decorate with a saddle stitch.
- sadomasochist — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- saint michael — one of the archangels. Feast day: Sept 29 or Nov 8
- sand-yachting — the sport of riding in a sand yacht
- sandwich tern — a European tern, Sterna sandvicensis, that has a yellow-tipped bill, whitish plumage, and white forked tail, and nests in colonies on beaches, etc