Whole wheat bread is a type of bread

Bread

Bread is a staple food prepared by cooking a dough of flour and water and often additional ingredients. Doughs are usually baked, but in some cuisines breads are steamed , fried , or baked on an unoiled frying pan . It may be leavened or unleavened...

 that is made using flour

Flour

Flour is a powder which is made by grinding cereal grains, other seeds or roots . It is the main ingredient of bread, which is a staple food for many cultures, making the availability of adequate supplies of flour a major economic and political issue at various times throughout history...

 which is partly or entirely made from whole or almost whole wheat grains, see whole wheat flour

Whole wheat flour

Whole wheat flour is a powdery substance derived by grinding or mashing the wheat's whole grain. It is used in baking but typically added to other "white" flours to provide nutrients , texture, and body to the finished product....

 and whole grain

Whole grain

Whole grains are cereal grains that contain cereal germ, endosperm, and bran, in contrast to refined grains, which retain only the endosperm. Whole grains can generally be sprouted while refined grains generally will not sprout. Whole-meal products are made by grinding whole grains in order to make...

. It is one kind of brown bread

Brown bread

Brown bread is a designation often given to breads made with significant amounts of whole grain flour, usually rye or wheat, and sometimes dark-colored ingredients such as molasses or coffee...

. Synonyms or near-synonyms for whole wheat bread elsewhere in the world (such as for example in the UK) are whole grain bread or wholemeal bread. Some varieties of whole wheat bread are traditionally coated with whole or cracked grains of wheat.

The exact composition of whole wheat bread varies from country to country and even within one country. In some cases the bread is made with whole grain flour that contains all of the component parts of the grain in the same ratios as they occur in nature, whereas in other cases the bread may only include representative amounts of bran

Bran

Bran is the hard outer layer of grain and consists of combined aleurone and pericarp. Along with germ, it is an integral part of whole grains, and is often produced as a by-product of milling in the production of refined grains. When bran is removed from grains, the grains lose a portion of their...

 or wheat germ. In Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 for example, a proportion of the wheat germ may be removed from the flour in order to reduce the risk of rancidity

Rancidification

Rancidification is the chemical decomposition of fats, oils and other lipids . When these processes occur in food, undesirable odors and flavors can result. In some cases, however, the flavors can be desirable . In processed meats, these flavors are collectively known as "warmed over flavor"...

, but still the term "whole wheat bread" is used.

The term "wheat bread" is sometimes used to mean whole wheat bread http://www.publicradio.org/columns/marketplace/business-news-briefs/2010/08/wheat_bread_beats_white_in_sal.html, but this is an ambiguous term because most white bread is made from wheat flour, and thus could legitimately be called "wheat bread".