Definition of Quatrain. A poem, unit or stanza of four lines of verse, usually with a rhyme scheme of abab or its variant, xbybâ. âThe rhyming fourâline groups that make up the first eight or twelve lines of a sonnet are also known as quatrainsâ.
HSPF (Heating Seasonal Performance Factor) is a term used in the heating and cooling industry.HSPF is specifically used to measure the efficiency of air source heat pumps.he higher the HSPF rating of a unit, the more energy efficient it is. HSPF is a ratio of BTU heat output over the heating season to watt-hours of electricity used. It has units of BTU/watt-hr. Depending on the system, an HSPF â¥ 8 can be considered high efficiency and worthy of a US Energy Tax Credit.
A device that allows for posterior chain exercise, such as a hip extension, sit-up or a back extension. GPP: General physical preparedness, aka âfitness.â. HC: Hang Clean. HSPU: Hand stand push up. Kick up into a handstand (use wall for balance, if needed) bend arms until nose touches floor and push back up. HSC: Hang squat clean. Start with bar âat the hang,â about knee height. Initiate pull. As the bar rises drop into a full squat and catch the bar in the racked position.