bi-, bin-, bino-, bis-

1. Happening every two years.
2. Used to describe a plant that lives for two years and produces flowers and fruit in the second year.

Note: biannual means "twice a year"; which is, within the same year.

1. Having two focal lengths.
2. Having one section that corrects for distant vision and another that corrects for near vision, as an eyeglass lens.
3. Embodying two distinct and often conflicting goals, interests, or courses of action.

Bibocals are eyeglasses made with double lenses of different focuses so that the wearer may have one focus for distant vision and one of close focus for reading.

Eye glasses with lenses that are divided into two parts.

The upper half is for looking at things far away and the lower half is for reading or for looking at things that are near.

1. Forked or divided into two parts or branches; such as, the Y-shaped styles of certain flowers.
2. The act of splitting into two branches; or the process of separting or branching off into two parts.

A point in a finger image at which two ridges meet.

Bifurcations have the appearance of branch points between curved lines. The number and locations of the bifurcations and ridge endings, known as minutiae, vary from finger to finger in any particular person, and from person to person for any particular finger; for example, the ring finger on the right hand.

When a set of finger images is obtained from someone, the number of minutiae is recorded for each finger. The precise locations of the minutiae are also recorded, in the form of numerical coordinates, for each finger.

The result is a function that can be entered and stored in a computer database. A computer can rapidly compare this function with that of anyone else in the world whose finger image has been scanned.

To divide (or fork) into two branches.

1. A person who commits bigamy or someone who is married illegally to two people simultaneously.
2. Said to be someone who demonstrates that "two rites make a wrong" and an action by someone who is participating in "double jeopardy".

Involved in or constituting an illegal marriage made when an existing marriage is still valid.

1. Marriage with a second wife or husband during the lifetime of the first; the crime of having two wives or husbands at the same time.
2. The crime of marrying someone while being legally married to someone else.
3. In law, the criminal offense of willfully and knowingly contracting a second marriage (or going through the form of a second marriage) while the first marriage, to the knowledge of the offender, is still subsisting and undissolved. The state of a man who has two wives, or of a woman who has two husbands, living at the same time.
4. Bigamus seu trigamus, etc., est qui diversis temporibus et successive duas seu tres uxores habuit (A bigamus or trigamus, etc., is one who at different times and successively has married two or three wives).