| spadefish | <marine biology> An American market fish (Chaetodipterus faber) common on the southern coasts. Synonym: angel fish, moonfish, and porgy. (17 Mar 1998) |
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| spadefoot | <zoology> Any species of burrowing toads of the genus Scaphiopus, especially. S. Holbrookii, of the Eastern United States. Synonym: spade toad. Source: Websters Dictionary (01 Mar 1998) |
| spadiceous | 1. Of a bright clear brown or chestnut colour. 2. <botany> Bearing flowers on a spadix; of the nature of a spadix. Origin: L. Spadix, -icis, a date-brown or nut-brown colour. See Spadix. Source: Websters Dictionary (01 Mar 1998) |
| spadicose | <botany> Spadiceous. Source: Websters Dictionary (01 Mar 1998) |
| spadix | <botany> A spikelike inflorescence with a stout, often succulent main stem. (17 Mar 1998) |
| spaewife | A female fortune teller. Source: Websters Dictionary (01 Mar 1998) |
| spagyric | Relating to the paracelsian or alchemical system of medicine, which stressed the treatment of disease by various types of chemical substances. Origin: G. Spao, to tear open, + ageiro, to collect (05 Mar 2000) |
| spagyrical | Chemical; alchemical. Origin: LL. Sparygicus, fr. Gr. To draw, to separate + to assemble; cf. F. Spagirique. Source: Websters Dictionary (01 Mar 1998) |
| spagyrist | 1. <alchemy> A chemist, especially. One devoted to alchemistic pursuits. 2. One of a sect which arose in the days of alchemy, who sought to discover remedies for disease by chemical means. The spagyrists historically preceded the iatrochemists. Origin: Cf. F. Spagiriste. (17 Mar 1998) |
| spalding sign | <radiology> Overlapping of foetal skull bones, suggests foetal demise (12 Dec 1998) |
| spale | 1. A lath; a shaving or chip, as of wood or stone. 2. A strengthening cross timber. Origin: Cf. Spell a splinter. Source: Websters Dictionary (01 Mar 1998) |
| spall | 1. <chemical> To break into small pieces, as ore, for the purpose of separating from rock. 2. To reduce, as irregular blocks of stone, to an approximately level surface by hammering. Source: Websters Dictionary (01 Mar 1998) |
| Spallanzani | Lazaro, Italian priest and scientist, 1729-1799. See: Spallanzani's law. (05 Mar 2000) |
| Spallanzani's law | The younger the individual the greater is the regenerative power of its cells. (05 Mar 2000) |
| spallation | Synonym: fragmentation. 2. Nuclear reaction in which nuclei, on being bombarded by high energy particles, liberate a number of protons and alpha particles. Origin: M.E. Spalle, fragment (05 Mar 2000) |