| gauze | A bleached cotton cloth of plain weave, used for dressings, bandages, and absorbent sponges; petrolatum gauze is saturated with petrolatum. Origin: Fr. Gaze, fr. Ar. Gazz, raw silk (05 Mar 2000) |
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| tantalum | <chemistry> A rare nonmetallic element found in certain minerals, as tantalite, samarskite, and fergusonite, and isolated as a dark powder which becomes steel-gray by burnishing. Symbol Ta. Atomic weight 182.0. Formerly called also tantalium. Origin: NL. So named on account of the perplexity and difficulty encounterd by its discoverer (Ekeberg) in isolating it. See Tantalus. Source: Websters Dictionary (01 Mar 1998) |
| tantalum bronchography | Historically, bronchography using insufflated metallic tantalum powder. (05 Mar 2000) |