Stain
A stain is a discoloration that can be clearly distinguished from the surface, material, or medium it is found upon. They are caused by the chemical or physical interaction of two dissimilar materials. Staining is used for biochemical research, metal staining, and art (e.g., wood staining, stained glass).
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Famous quotes containing the word stain:
“As for me, Abraham, Isaac, and Jacob are now only the subtlest imaginable essences, which would not stain the morning sky.”
—Henry David Thoreau (1817–1862)
“... the histories of Blacks and Jews in bondage and out of bondage, have been blood histories pursued through our kindred searchings for self-determination. Let this blood be a stain of honor that we share. Let us not now become enemies to ourselves and to each other.”
—June Jordan (b. 1936)
“She comes to meet death,
To stain the altar of the goddess,
To hold her girl-throat
Toward the knife-thrust.”
—Hilda Doolittle (1886–1961)