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.
3. Physiology Of or involving muscular contraction against resistance in which the length of the muscle remains the same. n. A line connecting isometric points. [From Greek. , of equal measure : , iso- +. , measure; see mÄ- in Indo-European roots .]. iâ²soÂ·metâ²riÂ·calÂ·ly adv.sometric-of a crystal system characterized by three equal axes at right angles. crystallography-the branch of science that studies the formation and structure of crystals.