n.
A nitrogenous substance, or mixture of substances, containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucin and tyrosin, as does albumin. Called also epidermose. →
n.
The projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit. →
n.
A treatise on the principles of language; a book containing the principles and rules for correctness in speaking or writing. →
n.
To protect from danger; to secure against surprise, attack, or injury; to keep in safety; to defend; to shelter; to shield from surprise or attack; to protect by attendance; to accompany for protection; to care for. →
e. i.
To cut with a grating sound; to cut; to penetrate or pierce harshly; as, the griding sword. →