| pentad | <chemistry> Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds. Origin: Gr, a body of five, fr. Five. <chemistry> Having the valence of a pentad. Source: Websters Dictionary (01 Mar 1998) |
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| pentadactyl | Having five fingers or toes on each hand or foot. Synonym: quinquedigitate. Origin: penta-+ G. Daktylos, finger (05 Mar 2000) |
| pentadactyle | 1. <anatomy> Having five digits to the hand or foot. 2. Having five appendages resembling fingers or toes. Origin: Gr. With five fingers or toes. See Penta-, and Dactyl. Source: Websters Dictionary (01 Mar 1998) |
| pentadactyloid | <anatomy> Having the form of, or a structure modified from, a pentadactyl limb. Origin: Pentadactyl Source: Websters Dictionary (01 Mar 1998) |
| pentadecane | <chemistry> A hydrocarbon of the paraffin series, (C15H32) found in petroleum, tar oil, etc, and obtained as a colourless liquid; so called from the fifteen carbon atoms in the molecule. Origin: Penta- + Gr. Ten. Source: Websters Dictionary (01 Mar 1998) |
| pentadecatoic | <chemistry> Of, pertaining to, or derived from, pentadecane, or designating an acid related to it. Origin: Penta- + decatoic. Source: Websters Dictionary (01 Mar 1998) |
| pentadecylic | <chemistry> Same as Quindecylic. Origin: Penta- + decylic. Source: Websters Dictionary (01 Mar 1998) |
| pentadelphous | <botany> Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden. Origin: Penta- + Gr. Brother. Source: Websters Dictionary (01 Mar 1998) |
| Reynolds pentad | Abdominal pain, fever, jaundice, shock, and depression of central nervous system function; usually indicative of acute suppurative cholangitis. (05 Mar 2000) |
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