Optically — Op tic*al*ly, adv. 1. By optics or sight. [1913 Webster] 2. With reference to optics. [1913 Webster] {Optically active}, {Optically inactive} (Chem. Physics), terms used of certain isomeric substances which, while identical with each other in… … The Collaborative International Dictionary of English
Optically active — Optically Op tic*al*ly, adv. 1. By optics or sight. [1913 Webster] 2. With reference to optics. [1913 Webster] {Optically active}, {Optically inactive} (Chem. Physics), terms used of certain isomeric substances which, while identical with each… … The Collaborative International Dictionary of English
Optically inactive — Optically Op tic*al*ly, adv. 1. By optics or sight. [1913 Webster] 2. With reference to optics. [1913 Webster] {Optically active}, {Optically inactive} (Chem. Physics), terms used of certain isomeric substances which, while identical with each… … The Collaborative International Dictionary of English
Optically positive — Optically Op tic*al*ly, adv. 1. By optics or sight. [1913 Webster] 2. With reference to optics. [1913 Webster] {Optically active}, {Optically inactive} (Chem. Physics), terms used of certain isomeric substances which, while identical with each… … The Collaborative International Dictionary of English
Negative stain — Electron micrograph of (organic) plant tissue without (top) and with OsO4 staining Negative staining is an established method, often used in diagnostic microscopy, for contrasting a thin specimen with an optically opaque fluid. For bright field… … Wikipedia
Angle of refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
Conical refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
declination — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
Differential refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
Double refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
