the gist of the prosecutor's argument / the heart and soul of the Republican Party / the nub of the story. Hypernyms (core is a kind of...): cognitive content; content; mental object (the sum or range of what has been perceived, discovered, or learned) Hyponyms (each of the following is a kind of core):
Your cholesterol levels are an important measure of heart health. For HDL cholesterol, or good cholesterol, higher levels are better. By Mayo Clinic Staff. High-density lipoprotein (HDL) is known as the good cholesterol because it helps remove other forms of cholesterol from your bloodstream.
1 HDL cholesterol is known as the good, or highly desirable, cholesterol because this type helps remove excess cholesterol from your blood. 2  A low level of HDL is a major risk factor for heart disease. 3  A high level of HDL lowers your risk. 4  A level of 40 mg/dL or more is considered desirable.