| dichroiscope | Same as Dichroscope. Source: Websters Dictionary (01 Mar 1998) |
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| dichroism | <chemistry> Differential absorption of right hand and left hand circularly polarized light resulting from molecular asymmetry involving a chromophore group. Circular dichroism is used to study the conformation of proteins in solution. (18 Nov 1997) |
| dichroite | <chemical> Iolite; so called from its presenting two different colours when viewed in two different directions. See Iolite. See: Dichroism. Source: Websters Dictionary (01 Mar 1998) |
| dichromat | An individual with dichromatism. (05 Mar 2000) |
| dichromate | <chemistry> A salt of chromic acid containing two equivalents of the acid radical to one of the base. Synonym: bichromate. Source: Websters Dictionary (01 Mar 1998) |
| dichromatic | 1. Having or exhibiting two colours. 2. <ornithology, zoology> Having two colour varieties, or two phases differing in colour, independently of age or sex, as in certain birds and insects. Origin: Pref. Di- + chromatic: cf. Gr. Source: Websters Dictionary (01 Mar 1998) |
| dichromatism | The state of being dichromatic. Source: Websters Dictionary (01 Mar 1998) |
| dichromatopsia | Synonym: dichromatism. Origin: G. Di-, two, + chroma, colour, + opsis, vision (05 Mar 2000) |
| dichromic | Furnishing or giving two colours; said of defective vision, in which all the compound colours are resolvable into two elements instead of three. Origin: Gr. Two-coloured; = twice + colour. Source: Websters Dictionary (01 Mar 1998) |
| dichromophil | Dichromophile Taking a double stain; denoting a tissue or cell taking both acid and basic dyes in different parts. Origin: G. Di-, two, + chroma, colour, + philos, fond (05 Mar 2000) |
| dichroscope | <instrument> An instrument for examining the dichroism of crystals. Origin: Gr. = twice + colour + to view. Source: Websters Dictionary (01 Mar 1998) |
| dichroscopic | Pertaining to the dichroscope, or to observations with it. Source: Websters Dictionary (01 Mar 1998) |
| Dick method | An intracutaneous test of susceptibility to the erythrogenic toxin of Streptococcus pyogenes responsible for the rash and other manifestations of scarlet fever. Synonym: Dick method. (05 Mar 2000) |
| Dick test | An intracutaneous test of susceptibility to the erythrogenic toxin of Streptococcus pyogenes responsible for the rash and other manifestations of scarlet fever. Synonym: Dick method. (05 Mar 2000) |
| Dick test toxin | A culture filtrate of lysogenised group A strains of beta-haemolytic streptococci, erythrogenic when inoculated into the skin of susceptible persons, and neutralised by antibodies that appear during scarlet fever convalescence; three immunological types (A, B, and C) are recognised. Synonym: Dick test toxin, erythrogenic toxin, scarlet fever erythrogenic toxin. (05 Mar 2000) |