- globular cluster
- gloss minus
- gender mender
- general address
- general colour
- general resource
- general term
- general topology
- generality
- generalized angle
- generalized sequence
- generalized valance
- generating element
- generating program
- generation rate
- generator gas
- generic algorithm
- generic definitions
- generic name
- generic term
- generic unbind
- geocode
- geodesic hyperbola
- geodesic lune
- geometric pattern
- geometric simplex
- geometric transformation
- georeference
- given accuracy
- glare filter
- glass switch
- girth
- glacial period
- global change
- global declaration
- global dimension
- global entity
- global group
- global lock
- global memory
- global name
- global reference
- global roaming
- global variable
- global zone
- glossary
- glued
- general conformance
- general expression
- general pool
- general program
- general solution
- generalization
- generalized derivative
- generalized factor
- generalized system
- generated address
- generating circle
- generation feature
- generator
- generic identifier
- generic-document
- geodesic curvature
- geodesic torsion
- geographic database
- geometric axiom
- geometric probability
- geometric solid
- geometrical meanting
- geometrical object
- geometrize
- gesture mode
- ghost effect
- Ginn equation
- global administration
- global character
- global format
- global index
- global message
- global processor
- global replace
- global service
- glued boundaries
- glyph shape
- golden section
- gnu
- go to
- goal satisfaction
- goal seek
- goal seeking
- grain tolerance
- grammar
- grammar checker
- grammatical tagger
- good-looking
- grand lot
- goodness
- goods
- goods circulation
- grandfather file