Lipide and Triglyceride

Lipide noun - An oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates).

Triglyceride and lipide are semantically related. In some cases you can replace term "Triglyceride" with "Lipide", this nouns are similar.

Triglyceride noun - Glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body.

Lipide and triglyceride are semantically related. You can use "Lipide" instead a noun "Triglyceride".