| 释义 |
dispansive, a.|dɪˈspænsɪv|
[f. L. dispans-, ppl. stem of dispandĕre to dispand: see -ive.]
(See quot.)
1883Syd. Soc. Lex., Dispansive, term applied to a system of lenses which has a negative focal distance. Used in opposition to a system of lenses with positive focal distance, which is termed collective. |