| Abbreviation | Definition |
|---|---|
| GC | Generalized Center |
| GC | Generalized Coordinate |
| GCA | Galilean Conformal Algebra |
| GCC | General Combiner Computation |
| GCCT | Generalized Composite Commodity Theorem |
| GCD | Greatest Common Denominator |
| GCF | Generalized CoFactor |
| GCF | Greatest Common Factor |
| GCM | Greatest Common Multiple |
| GCSM | Georgia Council of Supervisors of Mathematics |
| GCT | Generic Coverage Tool |
| GD | Generalized Displacement |
| GDH | Generalized Diffie-Hellman |
| GE | Gauss Elimination |
| GE | Generalized Excision |
| GED | General Error Distribution |
| GEE | Generalized Estimating Equations |
| GEMC | Gibbs Ensemble Monte Carlo |
| GEMM | Girl Empowerment Movement in Mathematics |
| GEMS | Gains in the Education of Mathematics and Science |