| pith | The soft central portion of a plant stem inside the vascular cylinder. To destroy the brain of an animal (such as a frog or turtle) to render it unconscious prior to vivisection. (09 Oct 1997) |
|---|---|
| pitheci | <zoology> A division of mammals including the apes and monkeys. Sometimes used in the sense of Primates. Origin: NL, fr. Gr. An ape. Source: Websters Dictionary (01 Mar 1998) |
| pithecoid | <zoology> 1. Of or pertaining to the genus Pithecia, or subfamily Pithecinae, which includes the saki, ouakari, and other allied South American monkeys. 2. Of or pertaining to the anthropoid apes in particular, or to the higher apes of the Old World, collectively. Origin: Gr. An ape. Source: Websters Dictionary (01 Mar 1998) |
| pithecoid theory | The theory of human's descent with the ape from a common ancestor. See: darwinian theory. (05 Mar 2000) |
| pithode | The nuclear spindle in karyokinesis. Origin: G. Pithodes, like a jar, fr. Pithos, earthenware wine-jar, + eidos, resemblance (05 Mar 2000) |
| pithy | 1. Consisting wholly, or in part, of pith; abounding in pith; as, a pithy stem; a pithy fruit. 2. Having nervous energy; forceful; cogent. "This pithy speech prevailed, and all agreed." (Dryden) "In all these Goodman Fact was very short, but pithy. <zoology>" (Addison) Pithy gall, a large, rough, furrowed, oblong gall, formed on blackberry canes by a small gallfly (Diastrophus nebulosus). Origin: Pithier; Pithiest. Source: Websters Dictionary (01 Mar 1998) |