Related Words

Hard Reset: A hard reset is the same as rebooting a computer.

High Hard One: Sounds a little dirty but it’s not. Refers to a fastball that is thrown high up, or even above the top of, the strike zone, with the hopes of getting the batter to swing and miss (also known . . . View Full Definition

Hardy-Weinberg Law: Law that states that the frequencies of genotypes in a population at a locus are determined by random mating and allele frequency

Hardy: The origin of this eaux-de-vie that makes this Cognac rare and excellent dates back to the 1870s

Mohs Hardness Scale: A collection of minerals ranging from very soft to very hard. Use as a comparison scale during mineral identification. From softest to hardest, the ten minerals are: talc 1, gypsum 2, calcit . . . View Full Definition

Mohs Scale Of Hardness: An empirical, ascending scale of mineral hardness with talc as 1, gypsum 2, calcite 3, fluorite 4, apatite 5, orthoclase 6, quartz 7, topaz 8, corundum 9, and diamond 10.

Pack Hardening: A heat-treating process in which the workpiece is packed into a metal box together with charcoal, charred leather or other carbonaceous material to case-harden the part.

Oil Hardening: The process of quenching in oil when heat treating alloy steel to bring out certain qualities.

Hardwoods: Term applied to dicot trees, as opposed to softwoods, a term applied to gymnosperms.

Permanent Hardness: Water hardness that remains after boiling the water, mainly due to dissolved calcium sulfate. Chlorides also contribute to permanent hardness.