Words whose 12th letter is R

Acetabulifera (n. pl.) The division of Cephalopoda in which the arms are furnished with cup-shaped suckers, as the cuttlefishes, squids, and octopus; the Dibranchiata. See Cephalopoda.

Acetabuliform (a.) Shaped like a shallow cup; saucer-shaped; as, an acetabuliform calyx.

Appendicularia (n.) A genus of small free-swimming Tunicata, shaped somewhat like a tadpole, and remarkable for resemblances to the larvae of other Tunicata. It is the type of the order Copelata or Larvalia. See Illustration in Appendix.

Autotransformer (n.) A transformer in which part of the primary winding is used as a secondary winding, or vice versa; -- called also a compensator or balancing coil.

Autochronograph (n.) An instrument for the instantaneous self-recording or printing of time.

Bonnyclabber (n.) Coagulated sour milk; loppered milk; curdled milk; -- sometimes called simply clabber.

Bottleholder (n.) One who attends a pugilist in a prize fight; -- so called from the bottle of water of which he has charge.

Breastsummer (n.) A summer or girder extending across a building flush with, and supporting, the upper part of a front or external wall; a long lintel; a girder; -- used principally above shop windows.

Brickfielder (n.) Orig., at Sydney, a cold and violent south or southwest wind, rising suddenly, and regularly preceded by a hot wind from the north; -- now usually called southerly buster. It blew across the Brickfields, formerly so called, a district of Sydney, and carried clouds of dust into the city.

Campaniliform (a.) Bell-shaped; campanulate; campaniform.

Carpetbagger (n.) An adventurer; -- a term of contempt for a Northern man seeking private gain or political advancement in the southern part of the United States after the Civil War (1865).

Cuckooflower (n.) A species of Cardamine (C. pratensis), or lady's smock. Its leaves are used in salads. Also, the ragged robin (Lychnis Flos-cuculi).

Electromotor (n.) An apparatus or machine for producing motion and mechanical effects by the action of electricity; an electro-magnetic engine.

Entoperipheral (a.) Being, or having its origin, within the external surface of the body; -- especially applied to feelings, such as hunger, produced by internal disturbances. Opposed to epiperipheral.

Extraaxillary (a.) Growing outside of the axils; as, an extra-axillary bud.

Hamilton period () A subdivision of the Devonian system of America; -- so named from Hamilton, Madison Co., New York. It includes the Marcellus, Hamilton, and Genesee epochs or groups. See the Chart of Geology.

Klipspringer (n.) A small, graceful South African antelope (Nanotragus oreotragus), which, like the chamois, springs from one crag to another with great agility; -- called also kainsi.

Macrozoospore (n.) A large motile spore having four vibratile cilia; -- found in certain green algae.

Magnetomotor (n.) A voltaic series of two or more large plates, producing a great quantity of electricity of low tension, and hence adapted to the exhibition of electro-magnetic phenomena.

Mandibuliform (a.) Having the form of a mandible; -- said especially of the maxillae of an insect when hard and adapted for biting.

Pralltriller (n.) A melodic embellishment consisting of the quick alternation of a principal tone with an auxiliary tone above it, usually the next of the scale; -- called also the inverted mordente.

Quinquelobared (a.) Cut less than halfway into portions, usually somewhat rounded; five-lobed; as, a quinquelobate leaf or corolla.

Skeletonizer (n.) Any small moth whose larva eats the parenchyma of leaves, leaving the skeleton; as, the apple-leaf skeletonizer.

Soapberry tree () Any tree of the genus Sapindus, esp. Sapindus saponaria, the fleshy part of whose fruit is used instead of soap in washing linen; -- also called soap tree.

Sorrento work () Ornamental work, mostly carved in olivewood, decorated with inlay, made at or near Sorrento, Italy. Hence, more rarely, jig-saw work and the like done anywhere.

Spermatophorous (a.) Producing seed, or sperm; seminiferous; as, the so-called spermatophorous cells.

Supernacular (a.) Like supernaculum; first-rate; as, a supernacular wine.

Trisoctahedron (n.) A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron.

Umbraculiform (a.) Having the form of anything that serves to shade, as a tree top, an umbrella, and the like; specifically (Bot.), having the form of an umbrella; umbrella-shaped.

Vertebrarterial (a.) Of or pertaining to a vertebrae and an artery; -- said of the foramina in the transverse processes of cervical vertebrae and of the canal which they form for the vertebral artery and vein.

About the author

Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".

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