achromatic colour achromatic lens achromatic objective acicular acicular cast iron acicular crystal acicular martensite acid acid ageing acid aging acidax acid-base acid-base equilibrium acid-base indicator acid-base mechanism acid-base reaction acid bath acid behaviour acid bessemer steel acid bottom |
achromatic colour ахроматичен цвят тлв. безцветен оттенък Търсената дума е намерена |