| BLABBERMOUTH | • blabbermouth n. (Informal) A gossip. • blabbermouth n. (Informal) A person who talks excessively. • blabbermouth n. (Aviation) A kind of foam-dispensing nozzle used in firefighting at airports. |
| BLABBERMOUTHS | • blabbermouths n. Plural of blabbermouth. • BLABBERMOUTH n. an indiscreetly talkative person. |
| BOOMBURB | • boomburb n. (Neologism, informal, urban studies) A rapidly expanding suburb. • BOOMBURB n. a large suburb experiencing rapid population growth. |
| BOOMBURBS | • boomburbs n. Plural of boomburb. • BOOMBURB n. a large suburb experiencing rapid population growth. |
| BUBBLEGUM | • bubblegum n. (Usually uncountable) A sweet chewing gum formulated to be stretchy so the chewer can blow bubbles with it. • bubblegum n. (Sometimes derogatory) A type of pop music marked by sweetness, pep and charm (rather than depth or complexity). • bubblegum n. (Countable and uncountable) A light pink colour, like bubblegum. |
| BUBBLEGUMS | • bubblegums n. Plural of bubblegum. • bubble-gums n. Plural of bubble-gum. • bubble␣gums n. Plural of bubble gum. |
| BUMBLEBEE | • bumblebee n. Any of several species of large bee in the genus Bombus. • bumblebee n. A mid yellow. • bumble-bee n. Alternative form of bumblebee. |
| BUMBLEBEES | • bumblebees n. Plural of bumblebee. • bumble-bees n. Plural of bumble-bee. • bumble␣bees n. Plural of bumble bee. |
| BUMBLEBERRIES | • bumbleberries n. Plural of bumbleberry. • BUMBLEBERRY n. (Canadian) a mixture of berries used in pie fillings and in preserves. |
| BUMBLEBERRY | • bumbleberry n. Applied to pies, juices, etc. made with a mixture of various berries and sometimes other fruits. • BUMBLEBERRY n. (Canadian) a mixture of berries used in pie fillings and in preserves. |
| MICROBUBBLES | • microbubbles n. Plural of microbubble. • MICROBUBBLES n. a contrast medium used with ultrasound, consisting of tiny bubbles of gas introduced into the vascular system. |