| Blastocöl | blastocoele |
| Blasloch | air hole |
| Blastom | blastoma |
| blasto- | blasto- |
| Blasform | blow mould |
| Blasrolle | party horn |
| Blastoderm | blastoderm |
| Blattfloh | psyllid |
| Blähton | exclay |
| blattlos | leafless |
| Blasrohr | blowpipe |
| Blastula | blastosphere blastula |
| Blattfall | defoliation leaf fall |
| Blattgold | gold leaf |
| Blaustich | blue cast |
| Elastomer | elastomer |
| Lastesel | pack mule |
| Plastron | ascot tie |
| Bastion | bastion |
| Mastodon | mastodon |