| plesimorphism | <chemistry> The property possessed by some substances of crystallizing in closely similar forms while unlike in chemical composition. Origin: Gr. Near + form. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| plesio- | Nearness, similarity. Origin: G. Plesios, close, near (05 Mar 2000) |
| plesiomonas | A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs in fish and other aquatic animals and in a variety of mammals, including man. Its organisms probably do not belong to the normal intestinal flora of man and can cause diarrhoea. (12 Dec 1998) |
| plesiomorphic | Similar in form. Synonym: plesiomorphous. (05 Mar 2000) |
| plesiomorphism | Similarity in form. Origin: plesio-+ G. Morphe, form (05 Mar 2000) |
| plesiomorphous | Nearly alike in form. Source: Websters Dictionary (01 Mar 1998) |
| plesiosaur | <paleontology> One of the Plesiosauria. Source: Websters Dictionary (01 Mar 1998) |
| plesiosauria | <paleontology> An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms. Synonym: Sauropterygia. Origin: NL. See Plesiosaurus. Source: Websters Dictionary (01 Mar 1998) |
| plesiosaurian | <paleontology> A plesiosaur. Source: Websters Dictionary (01 Mar 1998) |
| plesiosaurus | Origin: NL, fr. Gr near + a lizard. <paleontology> A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age. Source: Websters Dictionary (01 Mar 1998) |
| plesiotype | <zoology> A specimen identified by a subsequent author as belonging to a particular species. (09 Jan 1998) |
| pless- | Plessi- A striking, especially percussion. Origin: G. Plesso, to strike (05 Mar 2000) |
| plessesthesia | Synonym: palpatory percussion. Origin: G. Plesso, to strike, + aisthesis, sensation (05 Mar 2000) |
| plessimeter | An oblong flexible plate used in mediate percussion by being placed against the surface and struck with the plessor. Synonym: pleximeter, plexometer. Origin: G. Plesso, to strike, + metron, measure (05 Mar 2000) |
| plessimetric | Relating to a plessimeter. (05 Mar 2000) |