- linear load
- linear measurement
- linear modulation
- linear modulator
- linear order
- linear perspective
- linear polarizer
- Linear programming
- linear receiver
- linear regression
- linear scan
- linear set
- linear tube
- link loss
- link margin
- link monitoring
- link system
- link up
- linked subroutine
- lip synchronization
- list box
- lithograph
- link margins
- linkage edit
- linkage section
- linked file
- linked together
- liquid accepts
- liquid laser
- Lissajous figure
- listening in
- listening loudness
- load key
- load line
- loading bay
- loading coil
- loading factor
- loading level
- loading test
- lobe coupling
- local effect
- local field
- local ghost
- local junction
- local maintenance
- local operation
- local parameter
- local resources
- local system
- local transaction
- localization theorem
- locking plate
- loctal base
- list sample
- listener panel
- listening conditions
- live transmission
- load condition
- loan account
- Loan capital
- lobe control
- lobe suppression
- local alignment
- local call
- local category
- local exchange
- load alleviation
- load control
- load diagram
- load requirements
- loaded antenna
- local broadcasting
- local copy
- local crosstalk
- local network
- local oxidation
- local traffic
- local workstation
- locked keyboard
- locus frequencies
- logatom articulation
- logatom clarity
- logic analysis
- logic high
- logic low
- logic signal
- logic simulator
- logic test
- logic timing
- logical function
- long constant
- loctal tube
- logarithmic compressor
- logarithmic ratio
- logic pattern
- logic simulation
- logic tester
- longitudinal stability
- longitudinal variation
- loop gain