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Dictionary · Word part

macro-

A word beginning that means large.

MAK-roh prefix

What it means

The beginning of words for something big. A macrophageMAK-roh-fayjA large white blood cell in the tissues that swallows and digests germs, dead cells and debris.macro- large-phage eaterFull entry is a large white blood cell that eats germs and debris; macrocytic anemia has red blood cells larger than normal; macronutrients (carbohydrate, protein, fat) are needed in large amounts; macrosomia is a very large newborn. Its opposite is micro-.

Easy to confuse with

micro-

A word beginning that means very small; in units, one millionth.

Related terms

megal/o

A word part that means large or enlarged.

macrophage

A large white blood cell in the tissues that swallows and digests germs, dead cells and debris.

micro-

A word beginning that means very small; in units, one millionth.

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