assay

"The examination of the patient's symptoms took several hours. "

"The coffee concentrate was strong, so a little went a long way. "

"The contamination of the water supply caused many people to get sick. "

"The teacher asked for a quantitative analysis of the students' test scores, instead of just a general description of how they performed. "

"As soon as we ascertain what the situation is, we can plan how to proceed."

"The computer technician fixed the broken printer in the school library. "

"The qualitative differences between the two schools were noticeable in their teaching methods. "

"The chronic back pain was a constant affliction for the elderly woman. "

"Put the lid on the jar to keep contaminants out."

"Through sheer determination, we managed to escape from the tornado."

"The composition of the band's new song involved several different instruments. "

"The proportion of students who chose math as their favorite subject was quite high. "