| fifteenth | 1. Next in order after the fourteenth; the ordinal of fifteen. 2. Consisting of one of fifteen equal parts or divisions of a thing. Origin: OE. Fiftenthe; cf. Fiftethe, AS. Fiftea. See Fifteen. 1. One of fifteen equal parts or divisions; the quotient of a unit divided by fifteen. 2. A species of tax upon personal property formerly laid on towns, boroughs, etc, in England, being one fifteenth part of what the personal property in each town, etc, had been valued at. 3. A stop in an organ tuned two octaves above the diaposon. An interval consisting of two octaves. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| fifth | 1. Next in order after the fourth; the ordinal of five. 2. Consisting of one of five equal divisions of a thing. Fifth monarchy men, a fanatical sect in England, of the time of the commonwealth, who maintained that there would be a fifth universal monarchy, during which Christ would reign on earth a thousand years. Fifth wheel, a horizontal wheel or segment above the fore axle of a carriage and beneath the body, forming an extended support to prevent careening. Origin: OE. Fifte, fifthe, AS. Fifta. See Five. Source: Websters Dictionary (01 Mar 1998) |
| fifth cranial nerve | <anatomy, nerve> The trigeminal nerve is responsible for sensory enervation of the face and motor enervation to muscles of mastication (chewing). There are three divisions of the fifth cranial nerve, ophthalmic, maxillary and mandibular. Lesions of the sensory root to the trigeminal nerve can result in pain or loss of sensation in the face. Lesion of the motor root result in deviation of the jaw toward the paralysed side and difficulty chewing. Synonym: cranial nerve V. (27 Sep 1997) |
| fifth disease | <disease> An acute viral infection (human parvovirus) in children that manifests with a fever and a unique facial rash (slapped cheek appearance). After 1-2 days the rash will often spread to the extremities and trunk. The illness is nonserious and self-limiting. Environmental factors such as sunlight, hot baths and emotional factors can cause the rash to recur. Referred to as fifth disease or erythema infectiosum. (27 Sep 1997) |
| fifth finger | The little or fifth finger. Synonym: digitus minimus, digitus quintus, digitus auricularis, fifth finger. (05 Mar 2000) |
| fifth ventricle | A slitlike, fluid-filled space of variable width between the left and right transparent septum, which occurs in less than 10% of human brains and may communicate with the third ventricle. Synonym: cavum septi pellucidi, Duncan's ventricle, fifth ventricle, pseudocele, pseudoventricle, sylvian ventricle, ventricle of Sylvius, ventriculus quintus, Vieussens' ventricle, Wenzel's ventricle. (05 Mar 2000) |
| fiftieth | 1. Next in order after the forty-ninth; the ordinal of fifty. 2. Consisting of one of fifty equal parts or divisions. Origin: AS. Fiftigoa. See Fifty. Source: Websters Dictionary (01 Mar 1998) |