This icon is depicting a ruler tilted diagonally and towards the right enclosed within a rectangle with rounded edges. The ruler is depicted as two parallel lines with seven lines segmenting it to indicate units of measurement.
This Lipids icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,000 icons, all in the same style and quality.