bi-, bin-, bino-, bis-
(Latin: two, twice, double, twofold; a number; it normally functions as a prefix)
This bi- is used before s, c, or a vowel. Don't confuse this bi- with another one which means "life".
All words except biennial referring to periods of time and prefixed by bi- are potentially ambiguous. Since bi- can be taken to mean either "twice each" or "every two", a word like "biweekly" can be understood as "twice each week" or "every two weeks".
To bisect is to cut into two parts.
The diagram showing us how to dissect the specimen directed us first to bisect it from right to left.
2. Having split or forked: The driver noticed that the highway was bisected by a median strip which consisted of many beautiful trees.
2. To have examined, analyzed, or criticized in minute details: They dissected the company plan afterward to learn why it failed.
The panel dissected each point of Oscar's argument.
Jorge and Annie got lost when they discovered that, when the highway had bisected, they took the wrong turn.
There was a great deal of discussion while the driver and the tour guide dissected the problem before deciding what to do.
Arthur Koestler wrote that any creative act is a bisociation (not a mere association) of two (or more) apparently incompatible frames of thought.
"The originality of genius, in art as in science, consists of a shift of attention to aspects of reality previously ignored, discovering hidden connections, seeing familiar objects or events in a new light."
2. Cloven; said of a foot or hoof; cloven-hoofed.