Sentence:  The <WSD>prognosis</WSD> was made by taking into consideration the facts that the analog concrete had already achieved its ultimate strength by the period of 1500 days while concrete being predicted was to gain its strength limit by 1.25 time faster, that is by the period of 100 days. 
Meaning of the word marked with <WSD> tags:  A forecast of the future course, or outcome, of a situation; a prediction.