micro-crystal Chem.
(maɪkrəʊˈkrɪstəl)
Also microcrystal.
[f. micro- + crystal n.]
A crystal visible only by the microscope.
| 1886 Jrnl. R. Microsc. Soc. VI. 725 (heading) Preparing microcrystals. 1895 tr. Fock's Chem. Crystall. 42 The methods of recognizing..micro-crystals became more perfect. 1964 L. Martin Clin. Endocrinol. (ed. 4) viii. 267 Alternatively, long-acting injections of micro-crystals of œstradiol monobenzoate (Ovocyclin I.M.) may be given in doses of 10 mg. |