<B>semilogarithmic, </B>adjective.<DL COMPACT><DD> having or using a logarithmic scale or coordinates on one axis and a standard scale on the other. <BR> <I>Ex. a semilogarithmic graph.</I> </DL>
<A NAME="semiloyalty">
<B>semiloyalty, </B>noun, pl. <B>-ties.</B><DL COMPACT><DD> partial loyalty. </DL>
<A NAME="semilunar">
<B>semilunar, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> shaped like a half moon; crescent-shaped. <DD><I>noun </I> something of semilunar shape. </DL>
<A NAME="semilunarbone">
<B>semilunar bone,</B><DL COMPACT><DD> the second bone of the proximal row of the carpus, counting from the thumb side; lunate bone. </DL>
<A NAME="semilunarvalve">
<B>semilunar valve,</B><DL COMPACT><DD><B> 1. </B>one of a set of three crescent-shaped flaps or valves at the opening of the aorta that prevent the blood from flowing back into the ventricle. <DD><B> 2. </B>one of a similar set of valves at the opening of the pulmonary artery. </DL>
<A NAME="semimajoraxis">
<B>semimajor axis,</B><DL COMPACT><DD><B> 1. </B>(Mathematics.) one half of the length or major axis of an ellipse or ellipsoid. <DD><B> 2. </B>(Astronomy.) the mean distance of a planet from the sun. </DL>
<A NAME="semimanufacture">
<B>semimanufacture, </B>noun.<DL COMPACT><DD> a partly manufactured product, used in making end products. Steel and yarn are semimanufactures. </DL>
<B>semimatte</B> or <B>semimat, </B>adjective.<DL COMPACT><DD> slightly shiny; partly matte or dull. <BR> <I>Ex. Most photographers use either glossy or semimatte paper for prints.</I> </DL>
<B>semimembranosus, </B>noun, pl. <B>-si.</B><DL COMPACT><DD> a long, membranous muscle of the back of the thigh, arising from the ischiadic tuberosity, and inserted chiefly into the upper end of the tibia. It flexes and rotates the leg and extends the thigh. </DL>
<A NAME="semimembranous">
<B>semimembranous, </B>adjective.<DL COMPACT><DD> (Anatomy.) partly membranous; intersected by several broad, flat tendinous intervals, as the semimembranosus. </DL>
<A NAME="semimetal">
<B>semimetal, </B>noun.<DL COMPACT><DD> an element that is nonmalleable and only partly metallic, as arsenic or tellurium. </DL>
<A NAME="semimetallic">
<B>semimetallic, </B>adjective.<DL COMPACT><DD> partly metallic. <BR> <I>Ex. A compound of zinc and the semimetallic element germanium (Harper's).</I> </DL>
<A NAME="semimicro">
<B>semimicro, </B>adjective.<DL COMPACT><DD> of, having to do with, or used in semimicrochemistry. <BR> <I>Ex. a semimicro centrifuge.</I> </DL>
<A NAME="semimicrochemistry">
<B>semimicrochemistry, </B>noun.<DL COMPACT><DD> microchemistry that deals with centigram quantities. </DL>
<B>semimonthly, </B>adjective, adverb, noun, pl. <B>-lies.</B><DL COMPACT><DD><I>adj. </I> occurring or appearing twice a month. <DD><I>adv. </I> twice a month. <DD><I>noun </I> something that occurs or appears twice a month, especially a magazine, newspaper, or other periodical published twice a month. </DL>
<A NAME="semimute">
<B>semimute, </B>adjective.<DL COMPACT><DD> nearly mute; almost unable to speak. </DL>
<B>semimythical, </B>adjective.<DL COMPACT><DD> partly mythical; imaginary in part. </DL>
<A NAME="semina">
<B>semina, </B>noun.<DL COMPACT><DD> plural of <B>semen.</B> </DL>
<A NAME="seminal">
<B>seminal, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with the semen of men and animals. <BR> <I>Ex. a seminal vessel or gland, a seminal secretion.</I> <DD><B> 2. </B>of seed or of the nature of seed. <DD><B> 3. </B>containing or conveying semen or seed. <BR> <I>Ex. the seminal duct.</I> <DD><B> 4. </B>having to do with reproduction. <BR> <I>Ex. the seminal or generative powers.</I> <DD><B> 5. </B>(Figurative.) like seed; having the possibility of future development. <BR> <I>Ex. a seminal idea. There appeared other prophets who were trying to create by themselves small seminal new worlds inside the old (Edmund Wilson).</I> adv. <B>seminally.</B> </DL>
<A NAME="seminalfluid">
<B>seminal fluid,</B> <B>=semen.</B></DL>
<A NAME="seminalvesicle">
<B>seminal vesicle,</B><DL COMPACT><DD> either one of two receptacles for holding semen, situated on each side of the base of the bladder. </DL>
<A NAME="seminar">
<B>seminar, </B>noun.<DL COMPACT><DD><B> 1. </B>a group of college or university students engaged in discussion and original research under the guidance of a professor. <DD><B> 2. </B>the meeting in class of such a group. <DD><B> 3. </B>the course of study or work for such a group. <DD><B> 4. </B>the room or other place in which such a group meets. <DD><B> 5. </B>a course of study, discussion, or work undertaken by any group of people; workshop. <BR> <I>Ex. Some companies send their staffs to "secretaries' seminars" (New York Times).</I> </DL>
<A NAME="seminarian">
<B>seminarian, </B>noun.<DL COMPACT><DD> a student at a seminary, now especially a religious seminary. <BR> <I>Ex. ... nuns in white cotton habit, priests and Catholic seminarians in black (Time).</I> </DL>
<A NAME="seminarist">
<B>seminarist, </B>noun. <B>=seminarian.</B></DL>
<A NAME="seminary">
<B>seminary, </B>noun, pl. <B>-naries.</B><DL COMPACT><DD><B> 1. </B>a school or college for training students to be priests, ministers, or rabbis. <DD><B> 2. </B>an academy or boarding school, especially for young women. <DD><B> 3. </B>a school, especially one beyond high school. <DD><B> 4. </B>a place for instruction, training, or development. <DD><B> 5. </B>(Figurative.) a place of origin and early development. <BR> <I>Ex. a nursery and seminary of blunder (James Russell Lowell).</I> <DD><B> 6. </B>(Obsolete.) a seminar. </DL>
<B>semination, </B>noun.<DL COMPACT><DD> the act or process of sowing; propagation; dissemination. </DL>
<A NAME="seminatural">
<B>seminatural, </B>adjective.<DL COMPACT><DD> not completely natural; partly natural. </DL>
<A NAME="seminiferous">
<B>seminiferous, </B>adjective.<DL COMPACT><DD><B> 1. </B>bearing or producing seed. <DD><B> 2. </B>conveying, containing, or producing semen. <BR> <I>Ex. Spermatozoa are produced ... inside the long coiled seminiferous tubules of the testis (Richard J. Goss).</I> </DL>
<A NAME="seminivorous">
<B>seminivorous, </B>adjective.<DL COMPACT><DD> eating or feeding on seeds. <BR> <I>Ex. seminivorous birds.</I> </DL>
<A NAME="seminole">
<B>Seminole, </B>noun, pl. <B>-nole</B> or <B>-noles,</B> adjective.<DL COMPACT><DD><I>noun </I> a member of a tribe of North American Indians that left the Creek Confederacy and settled in Florida. Most Seminoles now live in Oklahoma; the remainder are in Florida. <DD><I>adj. </I> of or having to do with this tribe. </DL>
<A NAME="seminoma">
<B>seminoma, </B>noun, pl. <B>-mas,</B> <B>-mata.</B><DL COMPACT><DD> a tumor in a seminal passage or organ. </DL>
<B>semiobscurity, </B>noun, pl. <B>-ties.</B><DL COMPACT><DD> the condition of being half concealed; partial obscurity. </DL>
<A NAME="semioccasional">
<B>semioccasional, </B>adjective.<DL COMPACT><DD> occurring once in a while. adv. <B>semioccasionally.</B> </DL>
<A NAME="semioctagonal">
<B>semioctagonal, </B>adjective.<DL COMPACT><DD> having the form of half an octagon. </DL>
<A NAME="semiofficial">
<B>semiofficial, </B>adjective.<DL COMPACT><DD> partly official; having some degree of official authority or knowledge. adv. <B>semiofficially.</B> </DL>
<B>semiopaque, </B>adjective.<DL COMPACT><DD> imperfectly opaque; only partially transparent. </DL>
<A NAME="semiorbicular">
<B>semiorbicular, </B>adjective.<DL COMPACT><DD> having the form of half a sphere. </DL>
<A NAME="semiotic">
<B>semiotic, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> having to do with signs or symptoms; semeiotic. <DD><I>noun </I> <B>=semiotics.</B> </DL>
<A NAME="semiotics">
<B>semiotics, </B>noun.<DL COMPACT><DD><B> 1. </B>the study or science of signs and symbols. Semiotics is divided into pragmatics, syntactics, and semantics. <DD><B> 2. </B>the branch of medicine concerned with the study of symptoms; symptomatology. Also, <B>semeiotics.</B> </DL>
<A NAME="semioval">
<B>semioval, </B>adjective.<DL COMPACT><DD> having the form of half an oval; semielliptical. </DL>
<A NAME="semiovate">
<B>semiovate, </B>adjective.<DL COMPACT><DD> (Zoology.) having the form of half an ovate surface or plane. </DL>
<A NAME="semioviparous">
<B>semioviparous, </B>adjective.<DL COMPACT><DD> bearing living young so incompletely developed that they remain within the mother's pouch for a time. Kangaroos are semioviparous. </DL>
<A NAME="semiovoid">
<B>semiovoid, </B>adjective.<DL COMPACT><DD> having the form of half an ovoid solid. </DL>
