bad top
bad top
[′bad ‚täp] (mining engineering)
A weak roof in a coal mine; sometimes develops following a blast.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
And not a
bad top 10 that prove teenagers are not as empty-headed as people think.
That's not a
bad top four, and that doesn't even include Chara and Marc Savard, who are decent aces in the hole.
4: Which word appears in top 10 hits by Britney Spears, Soup and
Bad Top?
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