| dianisidine | <chemical> Highly toxic compound which can cause skin irritation and sensitization. It is used in manufacture of azo dyes. Chemical name: (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy- (12 Dec 1998) |
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| dianium | <chemistry> Same as Columbium. Origin: NL, fr. L. Diana; either as the name of the Roman goddess, or from its use in OE. As a name of silver. Source: Websters Dictionary (01 Mar 1998) |
| dianoetic | <psychology> Pertaining to the discursive faculty, its acts or products. "I would employ . . . Dianoetic to denote the operation of the discursive, elaborative, or comparative faculty." (Sir W. Hamilton) Origin: Gr.; through + to revolve in the mind. Source: Websters Dictionary (01 Mar 1998) |
| dianthus | <botany> A genus of plants containing some of the most popular of cultivated flowers, including the pink, carnation, and Sweet William. Origin: NL, fr. Gr, gen, Zeus + flower. Source: Websters Dictionary (01 Mar 1998) |
| diapasm | Powdered aromatic herbs, sometimes made into little balls and strung together. Origin: L. Diapasma, Gr, fr.; through + to sprinkle: cf. F. Diapasme. Source: Websters Dictionary (01 Mar 1998) |
| diapause | A period of biological quiescence or dormancy with decreased metabolism; an interval in which development is arrested or greatly slowed. Origin: dia-+ G. Pausis, pause Embryonic diapause, a diapause in the course of embryogenesis; postulated to occur in instances of double parturition and possibly of delayed implantation. (05 Mar 2000) |
| diapedesis | Archaic term for the emigration of leucocytes across the endothelium. (18 Nov 1997) |
| diapente | 1. The interval of the fifth. 2. <medicine> A composition of five ingredients. Origin: L, fr. Gr. A fifth; through + five: cf. F. Diapente. Source: Websters Dictionary (01 Mar 1998) |
| diaper dermatitis | Colloquially referred to as diaper, ammonia, or napkin rash; dermatitis of thighs and buttocks resulting from exposure to urine and faeces in infants' diapers. Formerly attributed to ammonia formation; moisture, bacterial growth, and alkalinity may all induce lesions. Synonym: ammonia rash, diaper rash, Jacquet's erythema, napkin rash. (05 Mar 2000) |
| diaper rash | An irritated red rash that is localised to the diaper area. Irritation commonly occurs secondary to chaffing and chronic moisture to the skin. (27 Sep 1997) |
| diaphanography | <investigation> A test to find beast cancer that involves shining a bright light through the breast: Synonym: transillumination. (16 Dec 1997) |
| diaphanoscope | <instrument, photography> A dark box constructed for viewing transparent pictures, with or without a lens. Origin: Gr. Transparent + -scope. Source: Websters Dictionary (01 Mar 1998) |
| diaphanoscopy | Examination of a cavity with a diaphanoscope. (05 Mar 2000) |
| diaphanotype | <photography> A coloured photograph produced by superimposing a translucent coloured positive over a strong uncoloured one. Origin: Gr. Transparent + -type. Source: Websters Dictionary (01 Mar 1998) |
| diaphanous | Extremely thin and transparent. (09 Oct 1997) |