identity sign
Mathematics
noun
A sign denoting identity; specifically the sign ≡.
- The sign ≡ was introduced by Riemann (B. Riemann Elliptische Functionen (1899) 1)..
Origin
Early 20th century; earliest use found in Bulletin of the American Mathematical Society.
- nail-cutting
- nail driver
- nailed
- nailed on
- nail enamel
- nailer
- nailer joist
- nailery
- nail file
- nail gall
- nail gun
- nail head
- nail-headed
- nail-head molding
- nail-head moulding
- nail-head spar
- nail-hole
- nailing strip
- nail-keg
- nailless
- nail-like
- nail-maker
- nail-making
- nail one's colours to the mast
- nail (or pin) one's colours to the mast