| amphiprotic solvent | A solvent capable of acting as an acid or a base; e.g., H2O. See: solvolysis. (05 Mar 2000) |
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| amphiregulin | <growth factor> A growth factor containing an EGF like domain. (05 Feb 1998) |
| amphirhina | <zoology> A name applied to the elasmobranch fishes, because the nasal sac is double. Origin: NL, fr. Gr. +, nose. Source: Websters Dictionary (01 Mar 1998) |
| amphisbaena | 1. A fabled serpent with a head at each end, moving either way. 2. <zoology> A genus of harmless lizards, serpentlike in form, without legs, and with both ends so much alike that they appear to have a head at each, and ability to move either way. The Gordius aquaticus, or hairworm, has been called an amphisbaena; but it belongs among the worms. Origin: L, fr. Gr.; on both ends + to go. Source: Websters Dictionary (01 Mar 1998) |
| amphisbaenoid | <zoology> Like or pertaining to the lizards of the genus Amphisbaena. Origin: NL, fr. L. Amphisbaena. Source: Websters Dictionary (01 Mar 1998) |
| amphistome | A common name for any trematode of the genus Paramphistomum. Origin: amphi-+ G. Stoma, mouth (05 Mar 2000) |
| amphistomous | <zoology> Having a sucker at each extremity, as certain entozoa, by means of which they adhere. Origin: Gr. + mouth. Source: Websters Dictionary (01 Mar 1998) |
| amphistylic | <anatomy> Having the mandibular arch articulated with the hyoid arch and the cranium, as in the cestraciont sharks; said of a skull. Origin: Gr. + pillar, support. Source: Websters Dictionary (01 Mar 1998) |
| amphitheatre | 1. An oval or circular building with rising tiers of seats about an open space called the arena. The Romans first constructed amphitheaters for combats of gladiators and wild beasts. 2. Anything resembling an amphitheater in form; as, a level surrounded by rising slopes or hills, or a rising gallery in a theater. Origin: L. Amphitheatrum, fr. Gr.; + theater: cf. F. Amphitheatre. See Theater. Source: Websters Dictionary (01 Mar 1998) |
| amphithymia | An obsolete term for a mental condition marked by periods of depression and elation. Origin: amphi-+ G. Thymos, soul (05 Mar 2000) |
| amphitrichate | Having a flagellum or flagella at both extremities of a microbial cell; denoting certain microorganisms. Origin: amphi-+ G. Thrix, hair (05 Mar 2000) |
| amphitrichous | Having a flagellum or flagella at both extremities of a microbial cell; denoting certain microorganisms. Origin: amphi-+ G. Thrix, hair (05 Mar 2000) |
| amphitrocha | <zoology> A kind of annelid larva having both a dorsal and a ventral circle of special cilia. Origin: NL, fr. Gr. + a wheel. Source: Websters Dictionary (01 Mar 1998) |
| amphitrophic | <biology> Of organisms that can grow either photosynthetically or chemotrophically. (05 Feb 1998) |
| amphitropous | <botany> Having the ovule inverted, but with the attachment near the middle of one side; half anatropous. Origin: Gr. + to turn. Source: Websters Dictionary (01 Mar 1998) |