|
|
| Barrier
|
|
Something that slows or stops movement from one place to another. |
| Barrier-free
|
|
Relating to handicap access, e.g. a shower enclosure system having minimal or no bottom track and openings that are wheelchair-accessible. |
| Barter
|
|
Exchange of goods or property in which no cash is paid. |
| Bartizan
|
|
Small turret hanging over a wall or tower. |
| Barytes
|
|
Paint pigment material, barium sulfate is a material opaque to X-rays. |
| Bas relief
|
|
Sculpture with figures carved in a flat surface that project slightly, in a three dimensional manner, from the surrounding area. |
| Basal cutting
|
|
A cutting taken from the base of a plant. |
| Basal metabolism
|
|
The amount of heat given off by a person at rest in a comfortable environment; approximately 50 BTU per hour (BTU/h). |
| Basal rosette
|
|
An arrangement of leaves radiating from a short stem at the ground surface. Most biennials have a rosette form during their first growing season. |
| Basalt
|
|
Dark, tough fine-grained to dense, extrusive volcanic rock, which commonly occurs in sheetlike lava flows. |
|
|
|
|
|
