absorption spectrumabsorption testabsorption towerabsorption tubeabsorption vesselabsorptiveabsorptive capacityabsorptive powerabsorptivityabstractabundanceabundance ratioabundant elementacaccelerantaccelerated particleaccelerating agentaccelerating electrodeaccelerating potentialaccelerationacceleration of free fallacceleration of gravityacceleratoraccelerator catalystaccelofilteracceptoraccessory substancesaccidental erroracclimatizationaccommodation coefficientaccumulation pointaccumulative erroraccumulative samplingaccumulatoraccumulator tankaccuracyacerbityacerousacescencyacescentacetalacetaldehydeacetaldehyde azineacetaldoximeacetalsacetateacetate fibersacetate filmacetate rayon processacetic