12-letter words containing o, p, h, t
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- catch points — railway points designed to derail a train running back in the wrong direction to prevent collision with a following train
- cathodograph — a picture taken using cathode rays
- centrosphere — the portion of the centrosome surrounding the centriole; center of an aster
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- cerebropathy — A hypochondriacal condition verging upon insanity, occurring in those whose brains have been unduly taxed.
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- change point — a point to which a foresight and backsight are taken in levelling; turning point
- changepocket — a small pocket or compartment for holding coins.
- channel port — one of the English or French ports on the English Channel
- chapter book — a children's book, typically a work of fiction, of moderate length and complexity, divided into chapters and intended for readers approximately seven to ten years old
- chapter room — a room for the use of the chapter of a religious institution
- chapter stop — any of several markers placed at intervals on a DVD film, enabling the viewer to find and select particular scenes
- chapterhouse — the building attached to a cathedral, collegiate church, or religious house in which the chapter meets
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.
- chart topper — a singer, band or video that comes top in the charts
- chartophylax — an official who serves chiefly as the chancellor and archivist of a diocese.
- cheiloplasty — plastic surgery of the lip.
- chemotherapy — Chemotherapy is the treatment of disease using chemicals. It is often used in treating cancer.
- chemotrophic — any organism that oxidizes inorganic or organic compounds as its principal energy source.
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chiropractic — Chiropractic is the treatment of injuries by pressing and moving people's joints, especially the spine.
- chiropractor — A chiropractor is a person who treats injuries by chiropractic.
- chiropterans — Plural form of chiropteran.
- chisel point — a nail or spike with the point formed by two flat inclined sides meeting at a sharp angle.
- chlorapatite — (mineral) A variety of apatite containing chloride instead of fluoride.
- chlorophytes — Plural form of chlorophyte.
- chlorophytum — any plant of the genus Chlorophytum, esp C. elatum variegatum, grown as a pot plant for its long narrow leaves with a light central stripe, and characterized by the production of offsets at the end of long scapes: family Liliaceae
- chloroplasts — Plural form of chloroplast.
- chopper tool — a core tool of flint or stone, with a transverse cutting edge, characteristic of cultures in Asia and parts of the Middle East and Europe
- chota nagpur — a plateau in E India, mainly in Jharkhand state since 2000: forested, with rich mineral resources and much heavy industry; produces chiefly lac (world's leading supplier), coal (half India's total output), and mica
- choux pastry — a very light pastry made with eggs, used for eclairs, etc
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromatophil — Also, chromatophilic, chromatophilous [kroh-muh-tof-uh-luh s] /ˌkroʊ məˈtɒf ə ləs/ (Show IPA). chromophil (def 1).
- chromatopsia — an irregularity in the ability to see colours properly
- chromoplasts — Plural form of chromoplast.
- chronotropic — affecting the rate or timing of a physiologic process, as the heart rate.
- chrysophytes — Plural form of chrysophyte.
- chthonophagy — (disease) Alternative form of chthonophagia.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- chymotryptic — relating to chymotrypsin
- clothes pole — a post to which a clothesline is attached
- clothes prop — a long wooden pole with a forked end, used to raise a line of washing to enable it to catch the breeze
- clothes shop — a shop selling clothes
- clothespress — a closet, wardrobe, or chest in which to keep clothes
- colour depth — bits per pixel
- come up with — If you come up with a plan or idea, you think of it and suggest it.
- cometography — the scientific description and recording of comets