| microcoria | A congenitally small pupil with an inability to dilate. Origin: micro-+ G. Kore, pupil (05 Mar 2000) |
|---|---|
| microcornea | An abnormally small cornea. (05 Mar 2000) |
| microcosm | A little world; a miniature universe. Hence (so called by Paracelsus), a man, as a supposed epitome of the exterior universe or great world. Opposed to macrocosm. Origin: F. Microcosme, L. Microcosmus, fr. Gr. Small + the world. Source: Websters Dictionary (01 Mar 1998) |
| microcosmic | Of or pertaining to the microcosm. <chemistry> Microcosmic salt, a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called hydric-sodic-ammonic-phosphate. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metallic oxides. Originally obtained by the alchemists from human urine, and called sal microcosmicum. Origin: Cf. F. Microcosmique. Source: Websters Dictionary (01 Mar 1998) |
| microcosmical | Of or pertaining to the microcosm. <chemistry> Microcosmic salt, a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called hydric-sodic-ammonic-phosphate. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metallic oxides. Originally obtained by the alchemists from human urine, and called sal microcosmicum. Origin: Cf. F. Microcosmique. Source: Websters Dictionary (01 Mar 1998) |
| microcosmography | Description of man as a microcosm. Origin: Microcosm. Source: Websters Dictionary (01 Mar 1998) |
| microcoulomb | <physics> A measure of electrical quantity; the millionth part of one coulomb. Origin: Micro- + coulomb. Source: Websters Dictionary (01 Mar 1998) |
| microcoustic | Pertaining, or suited, to the audition of small sounds; fitted to assist hearing. Origin: Micro- + acoustic: cf. F. Microcoustique, micracoustique. An instrument for making faint sounds audible, as to a partially deaf person. Source: Websters Dictionary (01 Mar 1998) |
| microcrith | <chemistry> The weight of the half hydrogen molecule, or of the hydrogen atom, taken as the standard in comparing the atomic weights of the elements; thus, an atom of oxygen weighs sixteen microcriths. See Crith. Origin: Micro- + crith. Source: Websters Dictionary (01 Mar 1998) |
| microcrystalline | <chemistry> Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline. Origin: Micro- + crystalline. Source: Websters Dictionary (01 Mar 1998) |
| microcrystalline cellulose | Purified, partially depolymerised cellulose, prepared by treating alpha-cellulose, obtained as a pulp from fibrous plant material, with mineral acids; used as a tablet diluent. (05 Mar 2000) |
| microcurie | One-millionth of a curie; a quantity of any radionuclide with 3.7 × 104 disintegrations per second. (05 Mar 2000) |
| microcyst | A cyst that is too small to be felt but may be observed on mammography or ultrasound screening. (09 Oct 1997) |
| microcystic adenoma of pancreas | <radiology> Benign tumour of pancreas, M:F = 1:4, peak age 69 years of age, tiny cysts filled with GLYCOGEN, not mucin, large (ca. 10 cm), innumerable small cysts (1mm - 20mm), central stellate scar with or without calcification, hypervascular, head = body = tail, ** associated with von Hippel-Lindau syndrome, Cf: macrocystic adenoma, alias mucinous cystic neoplasm (12 Dec 1998) |
| microcystic disease of renal medulla | Presence of small cysts in the renal medulla associated with anaemia, sodium depletion, and chronic renal failure. It is of two types: 1) fatal autosomal recessive or juvenile type (also called familial juvenile nephrophthisis), beginning at about age 10 with an average duration of 6 to 8 years; 2) autosomal dominant or adult type, beginning at about age 30 but with a more fulminant course. Synonym: microcystic disease of renal medulla. (05 Mar 2000) |