12-letter words containing c, l, a, t, o
- prophylactic — defending or protecting from disease or infection, as a drug.
- prosectorial — characteristic of a prosector
- prosecutable — Law. to institute legal proceedings against (a person). to seek to enforce or obtain by legal process. to conduct criminal proceedings in court against.
- prostacyclin — a prostaglandin, C 2 0 H 3 2 O 5 , that specifically inhibits the formation of blood clots.
- proteoglycan — a macromolecule composed of a polysaccharide joined to a polypeptide and forming the ground substance of connective tissue.
- protoplasmic — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- prototypical — the original or model on which something is based or formed.
- protreptical — didactic
- punctulation — the state of being punctulate
- pyrocatechol — catechol.
- qualificator — (in an ecclesiastical court) an officer charged with examining cases and preparing them for trial.
- quartz clock — an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of the timepiece (quartz clock or quartz watch)
- quetzalcoatl — the feathered serpent god of the Aztec and Toltec cultures.
- quixotically — In a quixotic manner.
- radiolocator — radar.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- reallocation — the act of allocating; apportionment.
- recreational — of or relating to recreation: recreational facilities in the park.
- rectirostral — (of a bird) having a straight bill.
- reflectogram — an image of an under-drawing or image taken from beneath the surface of paint in a work of art
- reticulation — a reticulated formation, arrangement, or appearance; network.
- retinotectal — of or relating to the retina and the tectum
- retrophiliac — someone who has a strong liking for things from the past
- rhetorically — used for, belonging to, or concerned with mere style or effect.
- rock crystal — transparent quartz, especially when colorless.
- rocket plane — aircraft that launches rockets
- rocket salad — rocket2 (def 2).
- rocket-salad — any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- rotflmaoastc — (chat) Rolling on the floor laughing my ass (or arse) off and scaring the cat. The superlative form of ROTFL.
- royal octavo — a book size, 61⁄4 by 10 inches
- sacred lotus — Indian lotus.
- sacroiliitis — the inflammation of the sacroiliac joint
- salification — to form into a salt, as by chemical combination.
- sanctionable — authoritative permission or approval, as for an action.
- sans-culotte — (in the French Revolution) a revolutionary of the poorer class: originally a term of contempt applied by the aristocrats but later adopted as a popular name by the revolutionaries.
- sansculottic — relating to sansculottes
- santalaceous — of, relating to, or belonging to the Santalaceae, a family of semiparasitic plants of Australia and Malaysia including sandalwood and quandong
- scalding hot — that scalds; burning; too hot
- scalp lotion — A scalp lotion is a liquid medication for the treatment of scalp conditions and disorders.
- scarlatinoid — resembling scarlatina or its eruptions.
- scatological — the study of or preoccupation with excrement or obscenity.
- scatter plot — a graphic representation of bivariate data as a set of points in the plane that have Cartesian coordinates equal to corresponding values of the two variates.
- schistosomal — relating to or characteristic of a schistosome or member of the genus Schistosoma
- schoolmaster — a man who presides over or teaches in a school.
- scintillator — a phosphor capable of producing scintillations.
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.
- scoptophilia — the obtaining of sexual pleasure by looking at nude bodies, erotic photographs, etc.
- scot and lot — British History. a municipal tax assessed proportionately upon the members of a community.
- scots gaelic — Scottish Gaelic