Meanings
nounmegablock (plural megablocks)
plural megablocks
- A very large block.
The earliest potassic granites in the southern part of the Timpton-Sutam megablock appear only at the end of the fourth cycle.
1983, Nicholas Rast, Profiles of Orogenic Belts, page 1691 more example
On the single and two-channel profiles, however, ringing interference (repetition of shallower reflections) between the basement and postimpact sediments prevents clear definition of the displaced megablocks.
2012, Wylie Poag, The Chesapeake Bay Crater
Origin
Cite this entry
APA
megablock. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/megablock
MLA
“megablock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megablock. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “megablock,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/megablock.
Source: megablock on Wiktionary, CC BY-SA 4.0.