sustainability
To "shatter" cartilage means to rip or tear it.
woodman
break or shatter
visible is the word.
It can mean any number. Example 1: 3x+4x=? =7x Example 2: 3x+4x+7=? =7x+7
It means to shatter your illusions about something.
cardiac
t f v
If you mean 7 letters, I would suggest "retrace."
Opossum has 7 letters in it. But the "o" is not pronounced(I mean, uh, said?).
?
Science is a subject with 7 letters.