(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “how did the symbol get its name?”)

TranslingualEdit
### Alternative formsEdit

- (transliterated Cyrillic): ’
- (alternative form): ‵

**′**

- Feet
- Minutes (as a fraction of a degree of arc)
- Minutes (as a unit of time)
- (calculus) Derivative of
- f′(x)= df(x)/dx

- (set theory) Complement of a set
- (in transliterated Cyrillic text) Transliteration of the soft sign (ь), indicating palatalization of preceding consonants.
- (linear algebra, of a matrix) Transpose
- A
**′** = A^{T}

- (geometry) Used to distinguish two or more points, lines, etc. with the same name
- t, t′, t″, t‴, t⁗, …
- A, A′, A″, A‴, A⁗, …

- (grammar) Alternative form of
*¯*

- (other primes) ″, ‴, ⁗, ‶, ‷