Dwarves are short, stocky fellows, easily identified by their size and shape. They average 4 to 4-½ feet tall. They have ruddy cheeks, dark eyes, and dark hair. Dwarves generally live for 350 years.
Dwarves tend to be dour and taciturn. They are given to hard work and care little for most humor. They are strong and brave. They enjoy beer, ale, mead, and even stronger drink. Their chief love, however, is precious metal, particularly gold. They prize gems, of course, especially diamonds and opaque gems (except pearls, which they do not like). Dwarves like the earth and dislike the sea. Not overly fond of elves, they have a fierce hatred of orcs and goblins. Their short, stocky builds make them ill-suited for riding horses or other large mounts (although ponies present no difficulty), so they tend to be a trifle dubious and wary of these creatures. They are ill-disposed toward magic and have little talent for it, but revel in fighting, warcraft, and scientific arts such as engineering.
Though dwarves are suspicious and avaricious, their courage and tenacity more than compensate for these shortcomings.
Dwarves typically dwell in hilly or mountainous regions. They prefer life in the comforting gloom and solidness that is found underground. They have several special abilities that relate to their underground life, and they are noted for being particularly resistant to magics and poisons.
(AD&D Player's Handbook)