| seven | One more than six; six and one added; as, seven days make one week. Seven sciences. See the Note under Science. <astronomy> Seven stars, the Pleiades. Seven wonders of the world. See Wonders. <botany> Seven-year apple, a tropical climbing plant (Ipomoea tuberosa) related to the morning-glory. Origin: OE. Seven, seoven, seofen, AS. Seofon, seofan, seofen; akin to D. Zeven, OS, Goth, & OHG. Sibun, G. Sieben, Icel. Sjau, sjo, Sw. Sju, Dan. Syv, Lith. Septyni, Russ. Seme, W. Saith, Gael. Seachd, Ir. Seacht, L. Septem, Gr, Skr. Saptan. Cf. Hebdomad, Heptagon, September. Source: Websters Dictionary (01 Mar 1998) |
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| seven-day fever | A fever resembling dengue occurring at the end of the summer in India. Synonym: seven-day fever. Synonym: hasamiyami. (05 Mar 2000) |
| Sevenless | Drosophila gene that is required for development of the R7 cell in each ommatidium in the eye. Gene product is a receptor tyrosine kinase, related to the insulin receptor. (18 Nov 1997) |
| seventeenth | 1. The next in order after the sixteenth; one coming after sixteen others. 2. The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole. 3. An interval of two octaves and a third. Source: Websters Dictionary (01 Mar 1998) |
| seventh cranial nerve | <anatomy, nerve> The facial nerve enervates the muscles of the face (facial expression). Lesion of the facial nerve cause a drooping to one side of the face, inability to wrinkle the forehead, inability to whistle, inability to close the eye and deviation of the mouth to the unaffected side. Synonym: cranial nerve VII. (27 Sep 1997) |
| seventh sense | The perception of the existence of the internal organs. Synonym: seventh sense, splanchnesthesia, splanchnesthetic sensibility. (05 Mar 2000) |