脂し質しつししつFreq.FrequencyTop 20,000Meanings1nounlipid; fatbiochemistryBiochemistry term for fats, oils, and related compounds. In everyday contexts, it often refers to dietary fat or body fat.この食しょく品ひんは脂し質しつが少すくない。This food is low in fat.脂し質しつ異い常じょう症しょうは生せい活かつ習しゅう慣かん病びょうの一ひとつです。Dyslipidemia is one of the lifestyle-related diseases.