14-Letter Words Starting: MACR

• the branch of economics that studies the overall working of a national economy

• relating to or consisting of or characterized by macromolecules

• any very large complex molecule; found only in plants and animals

• evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups

• The gross structure of a material or tissue as visible to the unaided eye or at very low levels of magnification.

• The gross structure of a pure metal or alloy, as revealed by magnifications of 10X or less.

• Any of the elements required in large amounts by all living things.