(astronomy) Long, dark regions that encroach into the bright matter in diffuse nebulae, usually bordered by bright rims.
elephant trunks
| Sci-Tech Dictionary: elephant trunks |
(′el·ə·fənt ′trəŋks)
| 5min Related Video: elephant trunks |
| Architecture: elephant trunk |
A long cylindrical tube with a hopper-like top; used as a chute for concrete in placing the concrete in deep shafts or forms; the tube is kept filled with concrete, so that there is no free fall of material and resultant segregation of its constituents is avoided.
Learn More
 | collection hopper |
| Muscular hydrostat |
| Sultan Ahmad Shah II Bridge |
Help us answer these
 | Why does a elephant have a trunk? |
| What are trunks on elephants for? |
| Can a elephant's trunk touch its dick? |
Post a question - any question - to the WikiAnswers community:
Copyrights:
 |
 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
|
| Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
