Creating an Iron or Diamond Pickaxe. 1  1. Know that to mine diamonds, you need either an iron or diamond pickaxe. 2  2. Create a workbench, or crafting table, if you haven't already. 3  3. Create a wooden pickaxe.  4. Create a stone 1  pickaxe. 5. Build or find a furnace.  6. Build an iron pickaxe.
Isotherm an isogram of the temperature of air, water, or soil. Most commonly drawn are isothermal maps showing mean monthly air temperature over a number of years, mean temperature for any period of time, or the temperature at a definite moment of time.
Medical Definition of ISOPROTERENOL. : a sympathomimetic agent used in the form of its hydrochloride C11H17NO3Â·HCl or sulfate (C11H17NO3)2Â·H2SO4 especially as a bronchodilator in the treatment of asthma, bronchitis, and emphysemaâcalled also isoprenaline, isopropylarterenol; see isuprel.efinition of ISOPROTERENOL. : a sympathomimetic agent C11H17NO3 used in the treatment of asthma.