<B>ultraleft, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> of or belonging to the extreme left in politics; extremely liberal or radical. <DD><I>noun </I> <B>the ultraleft,</B> extreme leftists as a body or movement. <BR> <I>Ex. The ultraleft found its voice by ... joining cause with irate farmers (New Scientist).</I> </DL>
<A NAME="ultraleftist">
<B>ultraleftist, </B>noun adjective.<DL COMPACT><DD><I>noun </I> a person who holds to an extremely liberal or radical point of view, especially in politics. <DD><I>adj. </I> <B>1. </B>holding such a point of view. <DD><B> 2. </B>of or having to do with those who hold such a point of view. </DL>
<A NAME="ultraliberal">
<B>ultraliberal, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> holding very liberal views, especially in politics. <DD><I>noun </I> an ultraliberal person or group. </DL>
<A NAME="ultralight">
<B>ultralight, </B>noun.<DL COMPACT><DD> a small, usually open airplane constructed of an aluminum frame with sailcloth wings and a small motor. <BR> <I>Ex. An ultralight may not weigh more than 254 pounds ... must stay out of controlled airspace, and may not fly at night (National Geographic).</I> </DL>
<B>ultramarathon, </B>noun.<DL COMPACT><DD> a long distance race greater than a marathon (26 miles, 385 yards), especially a foot race of 36 miles or more. </DL>
<A NAME="ultramarine">
<B>ultramarine, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> <B>1. </B>Also, <B>ultramarine blue.</B> a deep blue. <DD><B> 2. </B>a blue pigment, originally made from powdered lapis lazuli. <DD><B> 3. </B>a similar blue pigment, prepared artificially by grinding together a mixture of kaolin, sulfur, soda ash, and charcoal. <DD><B> 4. </B>any one of certain other pigments prepared artificially. <DD><I>adj. </I> <B>1. </B>deep-blue. <DD><B> 2. </B>beyond or across the sea, especially beyond or across the Mediterranean or some part of it. (SYN) overseas. </DL>
<B>ultramicrochemical, </B>adjective.<DL COMPACT><DD> of or having to do with ultramicrochemistry. </DL>
<A NAME="ultramicrochemist">
<B>ultramicrochemist, </B>noun.<DL COMPACT><DD> an expert in ultramicrochemistry. </DL>
<A NAME="ultramicrochemistry">
<B>ultramicrochemistry, </B>noun.<DL COMPACT><DD> microchemistry that deals with microgram quantities. </DL>
<A NAME="ultramicrofiche">
<B>ultramicrofiche, </B>noun, pl. <B>-fiches,</B> <B>-fiche.</B> <B>=ultrafiche.</B></DL>
<A NAME="ultramicrometer">
<B>ultramicrometer, </B>noun.<DL COMPACT><DD> a very finely calibrated micrometer. </DL>
<A NAME="ultramicroscope">
<B>ultramicroscope, </B>noun.<DL COMPACT><DD> a powerful instrument for making visible particles too small to be seen in an ordinary microscope, by means of light thrown on the object from one side, over a dark background. </DL>
<A NAME="ultramicroscopic">
<B>ultramicroscopic, </B>adjective.<DL COMPACT><DD><B> 1. </B>too small to be seen with an ordinary microscope. <DD><B> 2. </B>having to do with an ultramicroscope. adv. <B>ultramicroscopically.</B> </DL>
<B>ultramicroscopy, </B>noun.<DL COMPACT><DD> the art or practice of using the ultramicroscope. </DL>
<A NAME="ultramicrotome">
<B>ultramicrotome, </B>noun.<DL COMPACT><DD> an instrument used to cut extremely thin sections of tissues for examination by an electron microscope. </DL>
<A NAME="ultramilitant">
<B>ultramilitant, </B>adjective.<DL COMPACT><DD> militant to an extreme. </DL>
<A NAME="ultraminiature">
<B>ultraminiature, </B>adjective.<DL COMPACT><DD> done or made on an extremely small scale; smaller than miniature. <BR> <I>Ex. ultraminiature circuits.</I> </DL>
<A NAME="ultraminiaturize">
<B>ultraminiaturize, </B>transitive verb, <B>-ized,</B> <B>-izing.</B><DL COMPACT><DD> to reduce to ultraminiature size. noun <B>ultraminiaturization.</B> </DL>
<A NAME="ultramodern">
<B>ultramodern, </B>adjective.<DL COMPACT><DD> modern to the greatest possible degree; extremely modern. <BR> <I>Ex. ultramodern furniture.</I> </DL>
<A NAME="ultramodernism">
<B>ultramodernism, </B>noun.<DL COMPACT><DD> modernism to the greatest possible degree. </DL>
<A NAME="ultramodernist">
<B>ultramodernist, </B>noun.<DL COMPACT><DD> a person who is ultramodern, especially in ideas and tastes. </DL>
<A NAME="ultramodernistic">
<B>ultramodernistic, </B>adjective.<DL COMPACT><DD> in an ultramodern style or fashion. </DL>
<A NAME="ultramontane">
<B>ultramontane, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>beyond the mountains; transmontane. <DD><B> 2. </B>south of the Alps; Italian. <DD><B> 3. </B>supporting the absolute authority of the pope in matters of faith and morals when he speaks as the head of the Roman Catholic Church. <DD><I>noun </I> <B>1. </B>a person living south of the Alps. <DD><B> 2. </B>one of a party of the Roman Catholic Church maintaining the absolute authority of the pope in matters of religious faith and ecclesiastical discipline. </DL>
<A NAME="ultramontanism">
<B>ultramontanism, </B>noun.<DL COMPACT><DD> the doctrine of absolute papal supremacy. </DL>
<A NAME="ultramontanist">
<B>ultramontanist, </B>noun.<DL COMPACT><DD> a person belonging to the ultramontane party; promoter of ultramontanism. </DL>
<A NAME="ultramundane">
<B>ultramundane, </B>adjective.<DL COMPACT><DD><B> 1. </B>beyond the world; beyond the limits of the known universe. <DD><B> 2. </B>beyond this present life. </DL>
<B>ultranationalist, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>=ultranationalistic.</B> <DD><I>noun </I> an adherent of ultranationalism. </DL>
<A NAME="ultranationalistic">
<B>ultranationalistic, </B>adjective.<DL COMPACT><DD> of ultranationalism or ultranationalists; extremely nationalistic. <BR> <I>Ex. Since internationalism is highly characteristic of science, no science can prosper under ultranationalistic regimes locked behind a closed door or iron curtain (Bulletin of Atomic Scientists).</I> </DL>
<A NAME="ultraorthodox">
<B>ultra-Orthodox, </B>adjective.<DL COMPACT><DD> of or belonging to the extreme or ultrareligious wing of Orthodox Judaism. </DL>
<A NAME="ultraphysical">
<B>ultraphysical, </B>adjective.<DL COMPACT><DD> beyond or transcending what is physical. </DL>
<A NAME="ultrapure">
<B>ultrapure, </B>adjective.<DL COMPACT><DD> more than pure; containing no visible or microscopic impurities. <BR> <I>Ex. ultrapure antiserum, ultrapure germanium.</I> </DL>
<A NAME="ultraradical">
<B>ultraradical, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> excessively radical, especially in politics. <DD><I>noun </I> a person who is extremely radical. </DL>
<B>ultrareligious, </B>adjective.<DL COMPACT><DD> religious in the extreme; excessively religious. </DL>
<A NAME="ultrarightist">
<B>ultrarightist, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> a person who holds to an extremely conservative point of view, especially in politics. <DD><I>adj. </I> <B>1. </B>holding such a point of view. <DD><B> 2. </B>of or having to do with those who hold such a point of view. </DL>
<A NAME="ultrashort">
<B>ultrashort, </B>adjective.<DL COMPACT><DD><B> 1. </B>very short. <BR> <I>Ex. an ultrashort skirt.</I> <DD><B> 2. </B>having a wave length of 10 meters or less. <BR> <I>Ex. ultrashort radio waves.</I> </DL>
<A NAME="ultrasonic">
<B>ultrasonic, </B>adjective.<DL COMPACT><DD> of or having to do with ultrasound or ultrasonics; supersonic. <BR> <I>Ex. Ultrasonic generators produce sound waves to clean miniature parts (New York Times).</I> adv. <B>ultrasonically.</B> </DL>
<A NAME="ultrasonics">
<B>ultrasonics, </B>noun.<DL COMPACT><DD> the science that deals with or investigates the energy generated by sound waves of 20,000 or more vibrations per second; supersonics. </DL>
<A NAME="ultrasonogram">
<B>ultrasonogram, </B>noun.<DL COMPACT><DD> a recording or tracing made by an ultrasonograph. </DL>
<A NAME="ultrasonograph">
<B>ultrasonograph, </B>noun.<DL COMPACT><DD> an instrument using ultrasonic waves to penetrate tissue and make recordings of abnormalities. </DL>
<A NAME="ultrasonography">
<B>ultrasonography, </B>noun.<DL COMPACT><DD> the use of an ultrasonograph to detect abnormalities in the body. </DL>
<A NAME="ultrasonologist">
<B>ultrasonologist, </B>noun.<DL COMPACT><DD> a specialist in the use of ultrasonic devices in medical research and diagnosis. </DL>
<A NAME="ultrasound">
<B>ultrasound, </B>noun.<DL COMPACT><DD> sound above a frequency of 20,000 vibrations per second; ultrasonic sound. <BR> <I>Ex. Williams irradiated a solution of virus with high-frequency sound waves. When he dried the solution and photographed the result, he found that the ultrasound had broken the viruses into little bits (Scientific American).</I> </DL>
<A NAME="ultrastructural">
<B>ultrastructural, </B>adjective.<DL COMPACT><DD> of or having to do with ultrastructure. </DL>
<A NAME="ultrastructure">
<B>ultrastructure, </B>noun.<DL COMPACT><DD> a structure with extremely fine details, invisible to an ordinary microscope. <BR> <I>Ex. Particular attention is being paid to the ultrastructure of neurosecretory systems in crustaceans and in vertebrates, using the electron microscope (New Scientist).</I> </DL>
<A NAME="ultrasuede">
<B>Ultrasuede, </B>noun.<DL COMPACT><DD> (Trademark.) a synthetic, washable fabric that resembles suede. <BR> <I>Ex. Ultrasuede contained 60 percent polyester and 40 percent nonfibrous polyurethane (Georgia Dulles).</I> </DL>
<A NAME="ultratropical">
<B>ultratropical, </B>adjective.<DL COMPACT><DD><B> 1. </B>outside of the tropics. <DD><B> 2. </B>warmer than the tropics; very hot. </DL>
