hour of UNPAID sick time for every 30 hours of work performed by the employee within the. geographic boundaries of the City of Portland. âºAn employee may earn up to 40 hours of sick time per leave year unless allowed more by the. employer. âº An employee may use accrued sick time: ï· To cover all or part of a shift. ï· In increments of one hour, unless a lesser time is allowed by the employer or it is physically.
atmospheric pressure. noun, Meteorology. 1. the pressure exerted by the earth's atmosphere at any given point, being the product of the mass of the atmospheric column of the unit area above the given point and of the gravitational acceleration at the given point.
. Atmospheric Pressure force exerted by the weight of the air. Atmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. In the diagram below, the pressure at point X increases as the weight of the air above it increases.tmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. In the diagram below, the pressure at point X increases as the weight of the air above it increases.