| bi- or (sometimes before a vowel) bin-1 | |
| —combining form | |
| 1. | two; having two: bifocal |
| 2. | occurring every two; lasting for two: biennial |
| 3. | on both sides, surfaces, directions, etc: bilateral |
| 4. | occurring twice during: biweekly |
| 5. | a. denoting an organic compound containing two identical cyclic hydrocarbon systems: biphenyl |
| b. (rare in technical usage) indicating an acid salt of a dibasic acid: sodium bicarbonate | |
| c. (not in technical usage) equivalent of di- | |
| [from Latin, from bis | |
| bin- or (sometimes before a vowel) bin-1 | |
| —combining form | |
| [from Latin, from bis | |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a scrap or morsel of food left at a meal. |
| bin- | |
| —prefix | |
| a variant, esp before a vowel, of bi- : binocular | |
bin- pref.
Variant of bi-1.