Word of the Day - fissile

fissile

/ˈfɪsʌɪl/
adjective
1 (of an atom or element) able to undergo nuclear fission.
2 (chiefly of rock) easily split.

Origin

Mid 17th century (in the sense ‘easily split’): from Latin fissilis, from fiss- ‘split, cracked’, from the verb findere.

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Maria made the hard decision not to marry Bob Shale on the basis that divorce would be inevitable, given the fissile nature of his name's namesake rock.
[Could this view, at all, explain the phrase "a rocky marriage"?