analysis
analyzing
biochemical
biochemist
biochemistry
biology
biotechnology
chemical
chemist
chemistry
diagnostic
disappointed
discovery
doctor
examining
experiment
experimenting
frustrated
glass
glassware
healthcare
lab
laboratory
liquid
male
man
medicine
pharmaceutical
pharmacology
pharmacy
research
researcher
sad
sample
science
scientific
scientist
solution
student
studying
substance
test
testing
tube
tubes
tubing
unhappy
unsuccessful
upset
young