- Concerned with eyesight? Study before exam - Correction regarding sight - Edited version - Pre-exam study - The act of revising; reexamination for correction;
review; as, the revision of a book or writing, or of a proof sheet; a
revision of statutes. - That which is made by revising.
- Biology or physics - Branch of knowledge - Genetics - School subject - Study often comes before fiction - Study subject with, not against, conscience - Knowledge; knowledge of principles and causes; ascertained
truth of facts.